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/*
* getopt - get option letter from argv
*/
#include <stdio.h>
char *optarg; /* Global argument pointer. */
int optind77 = 0; /* Global argv index. */
static char *scan = NULL; /* Private scan pointer. */
extern char *index();
int
our_getopt(argc, argv, optstring)
int argc;
char *argv[];
char *optstring;
{
register char c;
register char *place;
optarg = NULL;
if (scan == NULL || *scan == '\0') {
if (optind77 == 0)
optind77++;
if (optind77 >= argc || argv[optind77][0] != '-' || argv[optind77][1] == '\0')
return(EOF);
if (strcmp(argv[optind77], "--")==0) {
optind77++;
return(EOF);
}
scan = argv[optind77]+1;
optind77++;
}
c = *scan++;
place = index(optstring, c);
if (place == NULL || c == ':') {
fprintf(stderr, "%s: unknown option -%c\n", argv[0], c);
return('?');
}
place++;
if (*place == ':') {
if (*scan != '\0') {
optarg = scan;
scan = NULL;
} else {
optarg = argv[optind77];
optind77++;
}
}
return(c);
}
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