5.9 errno.h

POSIX specification: http://www.opengroup.org/susv3xbd/errno.h.html

Gnulib module: errno

Portability problems fixed by Gnulib:

• The macros EOVERFLOW, ENOLINK, EMULTIHOP are not defined on some platforms: OpenBSD 4.0, OSF/1 5.1, mingw.
• The macro ECANCELED is not defined on some platforms: OpenBSD 4.0, Cygwin, mingw.
• The macros ENOMSG, EIDRM, EPROTO, EBADMSG, ENOTSUP are not defined on some platforms: OpenBSD 4.0, mingw.
• The macros EWOULDBLOCK, ETXTBSY, ELOOP, ENOTSOCK, EDESTADDRREQ, EMSGSIZE, EPROTOTYPE, ENOPROTOOPT, EPROTONOSUPPORT, EOPNOTSUPP, EAFNOSUPPORT, EADDRINUSE, EADDRNOTAVAIL, ENETDOWN, ENETUNREACH, ENETRESET, ECONNABORTED, ECONNRESET, ENOBUFS, EISCONN, ENOTCONN, ETIMEDOUT, ECONNREFUSED, EHOSTUNREACH, EALREADY, EINPROGRESS, ESTALE, EDQUOT are not defined on some platforms: mingw.

Portability problems not fixed by Gnulib: