func os/user._C_pw_gidp

2 uses

	os/user (current package)
		cgo_lookup_unix.go#L198: 	*_C_pw_gidp(&sp) = 1<<32 - 3
		cgo_lookup_cgo.go#L76: func _C_pw_gidp(p *_C_struct_passwd) *_C_gid_t { return &p.pw_gid }