gid's are shorts

[unix-history] / usr / src / old / groups / groups.c

/*      groups.c        4.4     83/02/10        */

/*
* groups
*/

#include <sys/param.h>
#include <grp.h>
#include <pwd.h>

short   groups[NGROUPS];
struct  group *gr, *getgrgid();

main(argc, argv)
       int argc;
       char *argv[];
{
       int ngroups;
       char *sep = "";
       int i;

       ngroups = getgroups(NGROUPS, groups);
       for (i = 0; i < ngroups; i++) {
               gr = getgrgid(groups[i]);
               if (gr == NULL)
                       printf("%s%d", sep, groups[i]);
               else
                       printf("%s%s", sep, gr->gr_name);
               sep = " ";
       }
       printf("\n");
       exit(0);
}