const os.O_RDONLY

4 uses

	os (current package)
		file.go#L75: 	O_RDONLY int = syscall.O_RDONLY // open the file read-only.
		file.go#L318: 	return OpenFile(name, O_RDONLY, 0)
		getwd.go#L87: 		fd, err := openFileNolog(parent, O_RDONLY, 0)
		removeall_at.go#L174: 		r, e = unix.Openat(dirfd, name, O_RDONLY|syscall.O_CLOEXEC, 0)