10 SOLV_API char *optarg;
11 SOLV_API int optind=1, opterr=1, optopt, __optpos, __optreset=0;
13 #define optpos __optpos
15 void __getopt_msg(const char *a, const char *b, const char *c, size_t l)
19 && fwrite(b, strlen(b), 1, f)
20 && fwrite(c, 1, l, f)==l
24 int getopt(int argc, char * const argv[], const char *optstring)
31 if (!optind || __optreset) {
37 if (optind >= argc || !argv[optind])
40 if (argv[optind][0] != '-') {
41 if (optstring[0] == '-') {
42 optarg = argv[optind++];
51 if (argv[optind][1] == '-' && !argv[optind][2])
54 if (!optpos) optpos++;
55 if ((k = mbtowc(&c, argv[optind]+optpos, MB_LEN_MAX)) < 0) {
57 c = 0xfffd; /* replacement char */
59 optchar = argv[optind]+optpos;
62 if (!argv[optind][optpos]) {
67 if (optstring[0] == '-' || optstring[0] == '+')
73 l = mbtowc(&d, optstring+i, MB_LEN_MAX);
74 if (l>0) i+=l; else i++;
75 } while (l && d != c);
77 if (d != c || c == ':') {
79 if (optstring[0] != ':' && opterr)
80 __getopt_msg(argv[0], ": unrecognized option: ", optchar, k);
83 if (optstring[i] == ':') {
85 if (optstring[i+1] != ':' || optpos) {
86 optarg = argv[optind++] + optpos;
91 if (optstring[0] == ':') return ':';
92 if (opterr) __getopt_msg(argv[0],
93 ": option requires an argument: ",