glibc/posix/tstgetopt.c
1995-02-18 01:27:10 +00:00

42 lines
811 B
C

#include <ansidecl.h>
#include <unistd.h>
#include <stdio.h>
int main (int argc, char **argv)
{
int aflag = 0;
int bflag = 0;
char *cvalue = NULL;
int index;
int c;
while ((c = getopt (argc, argv, "abc:")) >= 0)
switch (c) {
case 'a':
aflag = 1;
break;
case 'b':
bflag = 1;
break;
case 'c':
cvalue = optarg;
break;
case '?':
#if 0
fprintf (stderr, "Unknown option %c.\n", optopt);
#else
fputs ("Unknown option.\n", stderr);
#endif
return -1;
default:
fprintf (stderr, "This should never happen!\n");
return -1;
}
printf ("aflag = %d, bflag = %d, cvalue = %s\n", aflag, bflag, cvalue);
for (index = optind; index < argc; index++)
printf ("Non-option argument %s\n", argv[index]);
return 0;
}