lfc_getgrpbynam - get virtual gid associated with a given group name
int lfc_getgrpbynam (char *groupname, gid_t *gid)
lfc_getgrpbynam gets the virtual gid associated with a given group
specifies the group name. It must be at most 255 characters
gid specifies the address of a buffer to receive the Virtual Group
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.