tation can be found in manual of the OS:

 * DragonFly BSD: <https://man.dragonflybsd.org/?command=connect&section=2>
 * FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=connect&sektion=2>
 * Linux: <https://man7.org/linux/man-pages/man2/connect.2.html>
 * macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html> (archived, actually for iOS)
 * NetBSD: <https://man.netbsd.org/connect.2>
 * OpenBSD: <https://man.openbsd.org/connect.2>
 * iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html> (archived)
 * illumos: <https://illumos.org/man/3SOCKET/connect>
 * Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect>