Ensure EBADF returns for socket functions on mingw. * lib/accept.c (rpl_accept): Fail with error EBADF if the file descriptor is invalid. * lib/bind.c (rpl_bind): Likewise. * lib/connect.c (rpl_connect): Likewise. * lib/getpeername.c (rpl_getpeername): Likewise. * lib/getsockname.c (rpl_getsockname): Likewise. * lib/getsockopt.c (rpl_getsockopt): Likewise. * lib/listen.c (rpl_listen): Likewise. * lib/recv.c (rpl_recv): Likewise. * lib/recvfrom.c (rpl_recvfrom): Likewise. * lib/send.c (rpl_send): Likewise. * lib/sendto.c (rpl_sendto): Likewise. * lib/setsockopt.c (rpl_setsockopt): Likewise. * lib/shutdown.c (rpl_shutdown): Likewise.

alloca.in.h
error.h
exit.h
fnmatch.in.h
fts.c
fts_.h
getaddrinfo.h
getdelim.h
getline.h
getndelim2.h
getopt.c
getopt.h
getopt1.c
getopt.in.h
getopt_int.h
getpagesize.h
getpass.c
gettext.h
localcharset.h
malloca.h
mbchar.h
mbuiter.h
md5.h
obstack.h
printf-args.h
printf-parse.h
regcomp.c
regex.c
regex.h
regex_internal.c
regex_internal.h
stat-time.h
stdbool.in.h
stdint.in.h
strnlen1.h
strtoul.c
sys_socket.in.h
time_r.h
utimecmp.h
vasnprintf.h
vasprintf.h