func golang.org/x/sys/unix.setfsuid

3 uses

	golang.org/x/sys/unix (current package)
		syscall_linux.go#L2115: 	return setfsuid(uid)
		syscall_linux.go#L2124: 	_, err := setfsuid(uid)
		zsyscall_linux_amd64.go#L325: func setfsuid(uid int) (prev int, err error) {