INITGROUPS
NAME SYNOPSIS DESCRIPTION RETURN VALUE ERRORS FILES CONFORMING TO SEE ALSO
initgroups - initialize the supplementary group access list
#include user, gid_t group);
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.
The initgroups() function returns 0 on success, or -1 if an error occurs.
EPERM
The calling process does not have sufficient privileges.
ENOMEM
Insufficient memory to allocate group information structure.
/etc/group group database file
SVID 3, BSD 4.3
3 pages link to initgroups(3):