@node errno.h
@section @file{errno.h}

POSIX specification: @url{http://www.opengroup.org/susv3xbd/errno.h.html}

Gnulib module: errno

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

Portability problems not fixed by Gnulib:
@itemize
@end itemize