const syscall.O_TRUNC

3 uses

	syscall (current package)
		syscall_linux.go#L121: 	return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode)
		zerrors_linux_amd64.go#L640: 	O_TRUNC                          = 0x200

	os
		file.go#L88: 	O_TRUNC  int = syscall.O_TRUNC  // truncate regular writable file when opened.