Get group name associated with a given virtual gid
#include <sys/types.h>
#include "lfc_api.h"
int lfc_getgrpbygid (gid_t gid, char *groupname)
lfc_getgrpbygid gets the group name associated with a given virtual gid.
gid
specifies the Virtual Group Id.
groupname
points at a buffer to receive the associated group name. The buffer must be at least 256 characters long.
This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.
EFAULT
groupname is a NULL pointer.
EINVAL
This gid does not exist in the internal mapping table.
SENOSHOST
Host unknown.
SENOSSERV
Service unknown.
SECOMERR
Communication error.
ENSNACT
Name server is not running or is being shutdown.