NAME
initgroups − initialize the supplementary group access list
SYNOPSIS
#include
<grp.h>
#include <sys/types.h>
int initgroups(const char *user, gid_t group);
DESCRIPTION
The initgroups() function initializes the group access list by reading the group database /etc/group and using all groups of which user is a member. The additional group group is also added to the list.
RETURN VALUE
The initgroups() function returns 0 on success, or −1 if an error occurs.
ERRORS
|
EPERM |
The calling process does not have sufficient privileges. | ||
|
ENOMEM |
Insufficient memory to allocate group information structure. |
FILES
/etc/group group database file
CONFORMING TO
SVID 3, BSD 4.3