illumos gate

NULL pointer errors:

    In file included from /code/illumos-gate/proto/root_i386/usr/include/iso/stdio_iso.h:53:0,
                     from /code/illumos-gate/proto/root_i386/usr/include/stdio.h:82,
                     from ../ss_internal.h:15,
                     from ../listen.c:17:
    ../listen.c: In function 'ss_listen':
    /code/illumos-gate/proto/root_i386/usr/include/sys/null.h:28:14: error: passing argument 5 of 'gl_trap_signal' makes integer from pointer without a cast [-Werror=int-conversion]
     #define NULL ((void *)0)
                  ^
    ../listen.c:229:65: note: in expansion of macro 'NULL'
         if (gl_trap_signal(gl, SIGINT, GLS_DONT_FORWARD, GLS_ABORT, NULL)) {
                                                                     ^~~~
    In file included from ../listen.c:25:0:
    /code/illumos-gate/proto/root_i386/usr/include/libtecla.h:1104:5: note: expected 'int' but argument is of type 'void *'
     int gl_trap_signal(GetLine *gl, int signo, unsigned flags,
         ^~~~~~~~~~~~~~
    cc1: all warnings being treated as error