9.909 sendto

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sendto.html

Gnulib module: sendto

Portability problems fixed by Gnulib:

• This function has the return type int instead of ssize_t on some platforms: OSF/1 5.1.
• On Windows platforms (excluding Cygwin), error codes for sendto are not placed in errno, and WSAGetLastError must be used instead.

Portability problems not fixed by Gnulib: