const syscall.SO_ERROR

2 uses

	syscall (current package)
		zerrors_linux_amd64.go#L1033: 	SO_ERROR                         = 0x4

	net
		fd_unix.go#L149: 		nerr, err := getsockoptIntFunc(fd.pfd.Sysfd, syscall.SOL_SOCKET, syscall.SO_ERROR)