tests: add test for bogus NULL definition * tests/test-stdio.c: Ensure POSIX 2008 requirement on NULL. * tests/test-stdlib.c: Likewise. * tests/test-string.c: Likewise. * tests/test-locale.c: Likewise. * tests/test-unistd.c: Likewise. * modules/stdio-tests (Depends-on): Add verify. * modules/stdlib-tests (Depends-on): Likewise. * modules/string-tests (Depends-on): Likewise. * modules/locale-tests (Depends-on): Likewise. * modules/unistd-tests (Depends-on): Likewise. Signed-off-by: Eric Blake <ebb9@byu.net>

Description:
ioctl() function: issue device specific requests on files, devices, or sockets.

Files:
lib/ioctl.c
lib/w32sock.h

Depends-on:
sys_ioctl
sys_socket
errno

configure.ac:
AC_REQUIRE([gl_HEADER_SYS_SOCKET])
if test "$ac_cv_header_winsock2_h" = yes; then
  AC_LIBOBJ([ioctl])
  gl_REPLACE_SYS_IOCTL_H
fi
gl_SYS_IOCTL_MODULE_INDICATOR([ioctl])
gl_MODULE_INDICATOR([ioctl])

Makefile.am:

Include:
<sys/ioctl.h>

License:
LGPLv2+

Maintainer:
Paolo Bonzini, Simon Josefsson, Bruno Haible