recvfrom
========

POSIX specification: http://www.opengroup.org/susv3xsh/recvfrom.html

Gnulib module: ---

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

  * This function is missing on some platforms: mingw.

  * Some platforms don't have a socklen_t type; in this case this function's sixth argument type is int *.