cmdutils: remove OPT_FUNC2

Make ff* tools only accept opt_* functions taking two arguments.

The distinction between functions with one and two arguments is quite
pointless. Simplify parse_options() code.

6 files changed, 148 insertions, 133 deletions

diff --git a/cmdutils.c b/cmdutils.c
index 8c9542a..2bc6b74 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -273,15 +273,13 @@ unknown_opt:
                 *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
             } else if (po->flags & OPT_FLOAT) {
                 *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);
-            } else if (po->flags & OPT_FUNC2) {
-                if (po->u.func2_arg(opt, arg) < 0) {
-                    fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt);
-                    exit(1);
-                }
             } else if (po->flags & OPT_DUMMY) {
                 /* Do nothing for this option */
             } else {
-                po->u.func_arg(arg);
+                if (po->u.func_arg(opt, arg) < 0) {
+                    fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt);
+                    exit(1);
+                }
             }
             if(po->flags & OPT_EXIT)
                 exit(0);
diff --git a/cmdutils.h b/cmdutils.h
index 9e5827f..eea4401 100644
--- a/cmdutils.h
+++ b/cmdutils.h
@@ -121,17 +121,15 @@ typedef struct {
 #define OPT_INT    0x0080
 #define OPT_FLOAT  0x0100
 #define OPT_SUBTITLE 0x0200
-#define OPT_FUNC2  0x0400
-#define OPT_INT64  0x0800
-#define OPT_EXIT   0x1000
-#define OPT_DATA   0x2000
-#define OPT_DUMMY  0x4000
+#define OPT_INT64  0x0400
+#define OPT_EXIT   0x0800
+#define OPT_DATA   0x1000
+#define OPT_DUMMY  0x2000
      union {
-        void (*func_arg)(const char *); //FIXME passing error code as int return would be nicer then exit() in the func
         int *int_arg;
         char **str_arg;
         float *float_arg;
-        int (*func2_arg)(const char *, const char *);
+        int (*func_arg)(const char *, const char *);
         int64_t *int64_arg;
     } u;
     const char *help;
diff --git a/cmdutils_common_opts.h b/cmdutils_common_opts.h
index da30997..9b5e5d2 100644
--- a/cmdutils_common_opts.h
+++ b/cmdutils_common_opts.h
@@ -10,4 +10,4 @@
     { "protocols", OPT_EXIT, {(void*)show_protocols}, "show available protocols" },
     { "filters",   OPT_EXIT, {(void*)show_filters  }, "show available filters" },
     { "pix_fmts" , OPT_EXIT, {(void*)show_pix_fmts }, "show available pixel formats" },
-    { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "loglevel" },
+    { "loglevel", HAS_ARG, {(void*)opt_loglevel}, "set libav* logging level", "loglevel" },
diff --git a/ffmpeg.c b/ffmpeg.c
index b903f86..8659b1f 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2810,14 +2810,16 @@ static int transcode(AVFormatContext **output_files,
     return ret;
 }
 
-static void opt_format(const char *arg)
+static int opt_format(const char *opt, const char *arg)
 {
     last_asked_format = arg;
+    return 0;
 }
 
-static void opt_video_rc_override_string(const char *arg)
+static int opt_video_rc_override_string(const char *opt, const char *arg)
 {
     video_rc_override_string = arg;
+    return 0;
 }
 
 static int opt_me_threshold(const char *opt, const char *arg)
@@ -2859,12 +2861,13 @@ static int opt_frame_crop(const char *opt, const char *arg)
     return AVERROR(EINVAL);
 }
 
-static void opt_frame_size(const char *arg)
+static int opt_frame_size(const char *opt, const char *arg)
 {
     if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
         fprintf(stderr, "Incorrect frame size\n");
-        ffmpeg_exit(1);
+        return AVERROR(EINVAL);
     }
+    return 0;
 }
 
 static int opt_pad(const char *opt, const char *arg) {
@@ -2872,21 +2875,22 @@ static int opt_pad(const char *opt, const char *arg) {
     return -1;
 }
 
-static void opt_frame_pix_fmt(const char *arg)
+static int opt_frame_pix_fmt(const char *opt, const char *arg)
 {
     if (strcmp(arg, "list")) {
         frame_pix_fmt = av_get_pix_fmt(arg);
         if (frame_pix_fmt == PIX_FMT_NONE) {
             fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
-            ffmpeg_exit(1);
+            return AVERROR(EINVAL);
         }
     } else {
         show_pix_fmts();
         ffmpeg_exit(0);
     }
+    return 0;
 }
 
-static void opt_frame_aspect_ratio(const char *arg)
+static int opt_frame_aspect_ratio(const char *opt, const char *arg)
 {
     int x = 0, y = 0;
     double ar = 0;
@@ -2905,9 +2909,10 @@ static void opt_frame_aspect_ratio(const char *arg)
 
     if (!ar) {
         fprintf(stderr, "Incorrect aspect ratio specification.\n");
-        ffmpeg_exit(1);
+        return AVERROR(EINVAL);
     }
     frame_aspect_ratio = ar;
+    return 0;
 }
 
 static int opt_metadata(const char *opt, const char *arg)
@@ -2952,13 +2957,13 @@ static int opt_thread_count(const char *opt, const char *arg)
     return 0;
 }
 
-static void opt_audio_sample_fmt(const char *arg)
+static int opt_audio_sample_fmt(const char *opt, const char *arg)
 {
     if (strcmp(arg, "list")) {
         audio_sample_fmt = av_get_sample_fmt(arg);
         if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
             av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
-            ffmpeg_exit(1);
+            return AVERROR(EINVAL);
         }
     } else {
         int i;
@@ -2967,6 +2972,7 @@ static void opt_audio_sample_fmt(const char *arg)
             printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
         ffmpeg_exit(0);
     }
+    return 0;
 }
 
 static int opt_audio_rate(const char *opt, const char *arg)
@@ -2987,12 +2993,13 @@ static int opt_video_channel(const char *opt, const char *arg)
     return 0;
 }
 
-static void opt_video_standard(const char *arg)
+static int opt_video_standard(const char *opt, const char *arg)
 {
     video_standard = av_strdup(arg);
+    return 0;
 }
 
-static void opt_codec(int *pstream_copy, char **pcodec_name,
+static int opt_codec(int *pstream_copy, char **pcodec_name,
                       int codec_type, const char *arg)
 {
     av_freep(pcodec_name);
@@ -3001,26 +3008,27 @@ static void opt_codec(int *pstream_copy, char **pcodec_name,
     } else {
         *pcodec_name = av_strdup(arg);
     }
+    return 0;
 }
 
-static void opt_audio_codec(const char *arg)
+static int opt_audio_codec(const char *opt, const char *arg)
 {
-    opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
+    return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
 }
 
-static void opt_video_codec(const char *arg)
+static int opt_video_codec(const char *opt, const char *arg)
 {
-    opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
+    return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
 }
 
-static void opt_subtitle_codec(const char *arg)
+static int opt_subtitle_codec(const char *opt, const char *arg)
 {
-    opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
+    return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
 }
 
-static void opt_data_codec(const char *arg)
+static int opt_data_codec(const char *opt, const char *arg)
 {
-    opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
+    return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
 }
 
 static int opt_codec_tag(const char *opt, const char *arg)
@@ -3041,7 +3049,7 @@ static int opt_codec_tag(const char *opt, const char *arg)
     return 0;
 }
 
-static void opt_map(const char *arg)
+static int opt_map(const char *opt, const char *arg)
 {
     AVStreamMap *m;
     char *p;
@@ -3064,6 +3072,7 @@ static void opt_map(const char *arg)
         m->sync_file_index = m->file_index;
         m->sync_stream_index = m->stream_index;
     }
+    return 0;
 }
 
 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
@@ -3087,7 +3096,7 @@ static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
         *type = 'g';
 }
 
-static void opt_map_metadata(const char *arg)
+static int opt_map_metadata(const char *opt, const char *arg)
 {
     AVMetaDataMap *m, *m1;
     char *p;
@@ -3111,16 +3120,18 @@ static void opt_map_metadata(const char *arg)
         metadata_streams_autocopy = 0;
     if (m->type == 'c' || m1->type == 'c')
         metadata_chapters_autocopy = 0;
+
+    return 0;
 }
 
-static void opt_map_meta_data(const char *arg)
+static int opt_map_meta_data(const char *opt, const char *arg)
 {
     fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
                     "Use -map_metadata instead.\n");
-    opt_map_metadata(arg);
+    return opt_map_metadata(opt, arg);
 }
 
-static void opt_map_chapters(const char *arg)
+static int opt_map_chapters(const char *opt, const char *arg)
 {
     AVChapterMap *c;
     char *p;
@@ -3133,9 +3144,10 @@ static void opt_map_chapters(const char *arg)
         p++;
 
     c->in_file = strtol(p, &p, 0);
+    return 0;
 }
 
-static void opt_input_ts_scale(const char *arg)
+static int opt_input_ts_scale(const char *opt, const char *arg)
 {
     unsigned int stream;
     double scale;
@@ -3151,6 +3163,7 @@ static void opt_input_ts_scale(const char *arg)
 
     input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
     input_files_ts_scale[nb_input_files][stream]= scale;
+    return 0;
 }
 
 static int opt_recording_time(const char *opt, const char *arg)
@@ -3211,7 +3224,7 @@ static enum CodecID find_codec_or_die(const char *name, int type, int encoder, i
     return codec->id;
 }
 
-static void opt_input_file(const char *filename)
+static int opt_input_file(const char *opt, const char *filename)
 {
     AVFormatContext *ic;
     AVFormatParameters params, *ap = &params;
@@ -3433,6 +3446,7 @@ static void opt_input_file(const char *filename)
     av_freep(&subtitle_codec_name);
     uninit_opts();
     init_opts();
+    return 0;
 }
 
 static void check_inputs(int *has_video_ptr,
@@ -4101,7 +4115,7 @@ static void show_help(void)
     av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
 }
 
-static void opt_target(const char *arg)
+static int opt_target(const char *opt, const char *arg)
 {
     enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
     static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
@@ -4158,13 +4172,12 @@ static void opt_target(const char *arg)
     }
 
     if(!strcmp(arg, "vcd")) {
+        opt_video_codec("vcodec", "mpeg1video");
+        opt_audio_codec("vcodec", "mp2");
+        opt_format("f", "vcd");
 
-        opt_video_codec("mpeg1video");
-        opt_audio_codec("mp2");
-        opt_format("vcd");
-
-        opt_frame_size(norm == PAL ? "352x288" : "352x240");
-        opt_frame_rate(NULL, frame_rates[norm]);
+        opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
+        opt_frame_rate("r", frame_rates[norm]);
         opt_default("g", norm == PAL ? "15" : "18");
 
         opt_default("b", "1150000");
@@ -4187,12 +4200,12 @@ static void opt_target(const char *arg)
         mux_preload= (36000+3*1200) / 90000.0; //0.44
     } else if(!strcmp(arg, "svcd")) {
 
-        opt_video_codec("mpeg2video");
-        opt_audio_codec("mp2");
-        opt_format("svcd");
+        opt_video_codec("vcodec", "mpeg2video");
+        opt_audio_codec("acodec", "mp2");
+        opt_format("f", "svcd");
 
-        opt_frame_size(norm == PAL ? "480x576" : "480x480");
-        opt_frame_rate(NULL, frame_rates[norm]);
+        opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
+        opt_frame_rate("r", frame_rates[norm]);
         opt_default("g", norm == PAL ? "15" : "18");
 
         opt_default("b", "2040000");
@@ -4209,12 +4222,12 @@ static void opt_target(const char *arg)
 
     } else if(!strcmp(arg, "dvd")) {
 
-        opt_video_codec("mpeg2video");
-        opt_audio_codec("ac3");
-        opt_format("dvd");
+        opt_video_codec("vcodec", "mpeg2video");
+        opt_audio_codec("vcodec", "ac3");
+        opt_format("f", "dvd");
 
-        opt_frame_size(norm == PAL ? "720x576" : "720x480");
-        opt_frame_rate(NULL, frame_rates[norm]);
+        opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
+        opt_frame_rate("r", frame_rates[norm]);
         opt_default("g", norm == PAL ? "15" : "18");
 
         opt_default("b", "6000000");
@@ -4230,29 +4243,31 @@ static void opt_target(const char *arg)
 
     } else if(!strncmp(arg, "dv", 2)) {
 
-        opt_format("dv");
+        opt_format("f", "dv");
 
-        opt_frame_size(norm == PAL ? "720x576" : "720x480");
-        opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
-                          (norm == PAL ? "yuv420p" : "yuv411p"));
-        opt_frame_rate(NULL, frame_rates[norm]);
+        opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
+        opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
+                          norm == PAL ? "yuv420p" : "yuv411p");
+        opt_frame_rate("r", frame_rates[norm]);
 
         audio_sample_rate = 48000;
         audio_channels = 2;
 
     } else {
         fprintf(stderr, "Unknown target: %s\n", arg);
-        ffmpeg_exit(1);
+        return AVERROR(EINVAL);
     }
+    return 0;
 }
 
-static void opt_vstats_file (const char *arg)
+static int opt_vstats_file(const char *opt, const char *arg)
 {
     av_free (vstats_filename);
     vstats_filename=av_strdup (arg);
+    return 0;
 }
 
-static void opt_vstats (void)
+static int opt_vstats(const char *opt, const char *arg)
 {
     char filename[40];
     time_t today2 = time(NULL);
@@ -4260,7 +4275,7 @@ static void opt_vstats (void)
 
     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
              today->tm_sec);
-    opt_vstats_file(filename);
+    return opt_vstats_file(opt, filename);
 }
 
 static int opt_bsf(const char *opt, const char *arg)
@@ -4307,13 +4322,13 @@ static int opt_preset(const char *opt, const char *arg)
             ffmpeg_exit(1);
         }
         if(!strcmp(tmp, "acodec")){
-            opt_audio_codec(tmp2);
+            opt_audio_codec(tmp, tmp2);
         }else if(!strcmp(tmp, "vcodec")){
-            opt_video_codec(tmp2);
+            opt_video_codec(tmp, tmp2);
         }else if(!strcmp(tmp, "scodec")){
-            opt_subtitle_codec(tmp2);
+            opt_subtitle_codec(tmp, tmp2);
         }else if(!strcmp(tmp, "dcodec")){
-            opt_data_codec(tmp2);
+            opt_data_codec(tmp, tmp2);
         }else if(opt_default(tmp, tmp2) < 0){
             fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
             ffmpeg_exit(1);
@@ -4347,17 +4362,17 @@ static const OptionDef options[] = {
     { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
       "outfile[,metadata]:infile[,metadata]" },
     { "map_chapters",  HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters},  "set chapters mapping", "outfile:infile" },
-    { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
+    { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
     { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
-    { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
-    { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
+    { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
+    { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
     { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
-    { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
-    { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
+    { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
+    { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
     { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
     { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
       "add timings for benchmarking" },
-    { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
+    { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
     { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
       "dump each input packet" },
     { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
@@ -4365,9 +4380,9 @@ static const OptionDef options[] = {
     { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
     { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
     { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
-    { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
+    { "v", HAS_ARG, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
     { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
-    { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
+    { "threads",  HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
     { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
     { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
     { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
@@ -4380,33 +4395,33 @@ static const OptionDef options[] = {
     { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)&copy_initial_nonkeyframes}, "copy initial non-keyframes" },
 
     /* video options */
-    { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
-    { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
+    { "b",  HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
+    { "vb",  HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
     { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
-    { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
+    { "r",  HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
     { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
     { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
     { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
     { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
-    { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
-    { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
-    { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
-    { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
-    { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
-    { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
-    { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
-    { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
-    { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
+    { "croptop",  HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
+    { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
+    { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
+    { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
+    { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
+    { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
+    { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
+    { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
+    { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
     { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
     { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
     { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
-    { "qscale", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
+    { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
     { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
     { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
-    { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold",  "threshold" },
+    { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold",  "threshold" },
     { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
       "use same quantizer as source (implies VBR)" },
-    { "pass", HAS_ARG | OPT_FUNC2 | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
+    { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
     { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
     { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
       "deinterlace pictures" },
@@ -4418,39 +4433,39 @@ static const OptionDef options[] = {
 #endif
     { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
     { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
-    { "top", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
+    { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
     { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
-    { "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
-    { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
+    { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
+    { "newvideo", OPT_VIDEO, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
     { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
     { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
     { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
-    { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
+    { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
     { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
 
     /* audio options */
-    { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
+    { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
     { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
     { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
-    { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
-    { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
+    { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
+    { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
     { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
     { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
-    { "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
+    { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
     { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
-    { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
+    { "newaudio", OPT_AUDIO, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
     { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
     { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
 
     /* subtitle options */
     { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
     { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
-    { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
+    { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
     { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
-    { "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
+    { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
 
     /* grab options */
-    { "vc", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
+    { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
     { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
     { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
 
@@ -4458,18 +4473,18 @@ static const OptionDef options[] = {
     { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
     { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
 
-    { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
-    { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
-    { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
+    { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
+    { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
+    { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
 
-    { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
-    { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
-    { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
-    { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
+    { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
+    { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
+    { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
+    { "fpre", HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
     /* data codec support */
     { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
 
-    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
+    { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
     { NULL, },
 };
 
diff --git a/ffplay.c b/ffplay.c
index e2e097a..9b9b665 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -2817,16 +2817,17 @@ static void event_loop(void)
     }
 }
 
-static void opt_frame_size(const char *arg)
+static int opt_frame_size(const char *opt, const char *arg)
 {
     if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
         fprintf(stderr, "Incorrect frame size\n");
-        exit(1);
+        return AVERROR(EINVAL);
     }
     if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
         fprintf(stderr, "Frame size must be a multiple of 2\n");
-        exit(1);
+        return AVERROR(EINVAL);
     }
+    return 0;
 }
 
 static int opt_width(const char *opt, const char *arg)
@@ -2841,18 +2842,20 @@ static int opt_height(const char *opt, const char *arg)
     return 0;
 }
 
-static void opt_format(const char *arg)
+static int opt_format(const char *opt, const char *arg)
 {
     file_iformat = av_find_input_format(arg);
     if (!file_iformat) {
         fprintf(stderr, "Unknown input format: %s\n", arg);
-        exit(1);
+        return AVERROR(EINVAL);
     }
+    return 0;
 }
 
-static void opt_frame_pix_fmt(const char *arg)
+static int opt_frame_pix_fmt(const char *opt, const char *arg)
 {
     frame_pix_fmt = av_get_pix_fmt(arg);
+    return 0;
 }
 
 static int opt_sync(const char *opt, const char *arg)
@@ -2915,8 +2918,8 @@ static int opt_show_mode(const char *opt, const char *arg)
 
 static const OptionDef options[] = {
 #include "cmdutils_common_opts.h"
-    { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
-    { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
+    { "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
+    { "y", HAS_ARG, {(void*)opt_height}, "force displayed height", "height" },
     { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
     { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
     { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
@@ -2924,16 +2927,16 @@ static const OptionDef options[] = {
     { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
     { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
     { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
-    { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
-    { "t", HAS_ARG | OPT_FUNC2, {(void*)&opt_duration}, "play  \"duration\" seconds of audio/video", "duration" },
+    { "ss", HAS_ARG, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
+    { "t", HAS_ARG, {(void*)&opt_duration}, "play  \"duration\" seconds of audio/video", "duration" },
     { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
     { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
     { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
     { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
     { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
-    { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
+    { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
     { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
-    { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
+    { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
     { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
     { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
     { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
@@ -2944,8 +2947,8 @@ static const OptionDef options[] = {
     { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo",  "algo" },
     { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)",  "threshold" },
     { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options",  "bit_mask" },
-    { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
-    { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
+    { "sync", HAS_ARG | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
+    { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
     { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
     { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
     { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
@@ -2956,8 +2959,8 @@ static const OptionDef options[] = {
     { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
 #endif
     { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
-    { "showmode", HAS_ARG | OPT_FUNC2, {(void*)opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },
-    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
+    { "showmode", HAS_ARG, {(void*)opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },
+    { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
     { "i", OPT_DUMMY, {NULL}, "ffmpeg compatibility dummy option", ""},
     { NULL, },
 };
diff --git a/ffprobe.c b/ffprobe.c
index 696307d..57e2a9b 100644
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -329,13 +329,14 @@ static void show_usage(void)
     printf("\n");
 }
 
-static void opt_format(const char *arg)
+static int opt_format(const char *opt, const char *arg)
 {
     iformat = av_find_input_format(arg);
     if (!iformat) {
         fprintf(stderr, "Unknown input format: %s\n", arg);
-        exit(1);
+        return AVERROR(EINVAL);
     }
+    return 0;
 }
 
 static void opt_input_file(const char *arg)
@@ -382,7 +383,7 @@ static const OptionDef options[] = {
     { "show_format",  OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
     { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
     { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
-    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
+    { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
     { NULL, },
 };