have_siocglifconf.c (revision 9185e895f1b94e89d9c29ea1e64a7aa34809f403) - OpenGrok cross reference for /netbsd-src/external/bsd/libpcap/dist/cmake/have_siocglifconf.c

#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/sockio.h>
int main() {
    ioctl(0, SIOCGLIFCONF, (char *)0);
}