func os/user._C_pw_gid

2 uses

	os/user (current package)
		cgo_lookup_unix.go#L73: 		Gid:      strconv.FormatUint(uint64(_C_pw_gid(pwd)), 10),
		cgo_lookup_cgo.go#L75: func _C_pw_gid(p *_C_struct_passwd) _C_gid_t   { return p.pw_gid }