user/gshadow.go
func LookupGShadow(name string) (*GShadow, error) {
	entries, err := LookupInGShadow(GS_NAME, name, 1)
	if err != nil {
		return nil, err
	}

	return entries[0], err
}
func LookupGShadow(name string) (*GShadow, error) {
	entries, err := LookupInGShadow(GS_NAME, name, 1)
	if err != nil {
		return nil, err
	}

	return entries[0], err
}
// LookupGShadow looks up a shadowed group by name.