2 @section @file{errno.h}
4 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/errno.h.html}
9 Portability problems fixed by Gnulib:
12 The macro @code{EOVERFLOW} is not defined
14 OpenBSD 4.0, mingw, MSVC 9.
16 The macro @code{ENOLINK} is not defined
18 OpenBSD 7.5, mingw, MSVC 9.
20 The macro @code{EMULTIHOP} is not defined
22 OpenBSD 7.5, mingw, MSVC 14.
24 The macro @code{ECANCELED} is not defined on some platforms:
25 OpenBSD 4.0, Cygwin, mingw, MSVC 9.
27 The macros @code{ENOMSG}, @code{EIDRM}, @code{EPROTO}, @code{EBADMSG},
28 @code{ENOTSUP} are not defined on some platforms:
29 OpenBSD 4.0, mingw, MSVC 9.
31 The macro @code{ESTALE} is not defined on some platforms:
34 The macro @code{EDQUOT} is not defined on some platforms:
35 NonStop Kernel, mingw, MSVC 14.
37 The macros @code{ENETRESET}, @code{ECONNABORTED} are not defined on some
39 Minix 3.1.8, mingw, MSVC 9.
41 The macros @code{EWOULDBLOCK}, @code{ETXTBSY}, @code{ELOOP}, @code{ENOTSOCK},
42 @code{EDESTADDRREQ}, @code{EMSGSIZE}, @code{EPROTOTYPE}, @code{ENOPROTOOPT},
43 @code{EPROTONOSUPPORT}, @code{EOPNOTSUPP}, @code{EAFNOSUPPORT},
44 @code{EADDRINUSE}, @code{EADDRNOTAVAIL}, @code{ENETDOWN}, @code{ENETUNREACH},
45 @code{ECONNRESET}, @code{ENOBUFS}, @code{EISCONN}, @code{ENOTCONN},
46 @code{ETIMEDOUT}, @code{ECONNREFUSED}, @code{EHOSTUNREACH}, @code{EALREADY},
47 @code{EINPROGRESS} are not defined on some platforms:
50 The macros @code{EOWNERDEAD}, @code{ENOTRECOVERABLE} are not defined on
52 glibc/Linux 2.3.6, glibc/Hurd 2.15, glibc/kFreeBSD 2.15,
53 Mac OS X 10.5, FreeBSD 6.0, NetBSD 9.3, OpenBSD 6.0, Minix 3.1.8, AIX 5.1, HP-UX 11, Cygwin, mingw without pthreads-win32, MSVC 9.
55 The macro @code{ESOCKTNOSUPPORT} is not defined on some platforms:
56 @c https://dev.haiku-os.org/ticket/19347
59 The macro @code{EILSEQ} is not defined on some platforms:
62 The macros @code{EEXIST} and @code{ENOTEMPTY} have the same value on
67 Portability problems not fixed by Gnulib:
70 Error numbers are in the range @code{INT_MIN} through @code{INT_MIN + 0xffff},
71 instead of being positive as POSIX requires: