Get virtual gid associated with a given group name
#include <sys/types.h>
#include "dpns_api.h"
int dpns_getgrpbynam (char *groupname, gid_t *gid)
dpns_getgrpbynam gets the virtual gid associated with a given group name.
groupname
specifies the group name. It must be at most 255 characters long.
gid
specifies the address of a buffer to receive the Virtual Group Id.
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 or gid is a NULL pointer.
EINVAL
This group name does not exist in the internal mapping table or the length of groupname exceeds 255.
SENOSHOST
Host unknown.
SENOSSERV
Service unknown.
SECOMERR
Communication error.
ENSNACT
Name server is not running or is being shutdown.