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10.56.18 socket ¶

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9799919799/functions/socket.html

Gnulib module: socket

Portability problems fixed by Gnulib:

• This function is declared in <winsock2.h> instead of <sys/socket.h> on some platforms: mingw, MSVC 14.
• On Windows platforms (excluding Cygwin), the descriptors returned by the socket function cannot be used in calls to read, write, and close; you have to use recv, send, closesocket in these cases instead.
• On Windows platforms (excluding Cygwin), error codes from this function are not placed in errno, and WSAGetLastError must be used instead.

Portability problems not fixed by Gnulib: