printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Gerard Lantau\n",
printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n",
void show_help(void){    const char *prog;    const OptionDef *po;    int i, expert;        prog = do_play ? "ffplay" : "ffmpeg";    printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Gerard Lantau\n",            prog);        if (!do_play) {        printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"               "Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n");    } else {        printf("usage: ffplay [options] input_file...\n"               "Simple audio player\n");    }               printf("\n"           "Main options are:\n");    for(i=0;i<2;i++) {        if (i == 1)            printf("\nAdvanced options are:\n");        for(po = options; po->name != NULL; po++) {            char buf[64];            expert = (po->flags & OPT_EXPERT) != 0;            if (expert == i) {                strcpy(buf, po->name);                if (po->flags & HAS_ARG) {                    strcat(buf, " ");                    strcat(buf, po->argname);                }                printf("-%-17s  %s\n", buf, po->help);            }        }    }    exit(1);}