minix/lib/libc/sys/getgroups.c

   1 /*
   2 getgroups.c
   3 */
   4
   5 #include <sys/cdefs.h>
   6 #include "namespace.h"
   7 #include <lib.h>
   8
   9 #include <string.h>
  10 #include <unistd.h>
  11
  12 int getgroups(int ngroups, gid_t *arr)
  13 {
  14   message m;
  15
  16   memset(&m, 0, sizeof(m));
  17   m.m_lc_pm_groups.num = ngroups;
  18   m.m_lc_pm_groups.ptr = (vir_bytes)arr;
  19
  20   return(_syscall(PM_PROC_NR, PM_GETGROUPS, &m));
  21 }
  22