/* network.c: *  * Example using inet_network(3) : */#include <stdio.h>#include <unistd.h>#include <stdlib.h>#include <sys/types.h>#include <sys/socket.h>#include <netinet/in.h>#include <arpa/inet.h>intmain(int argc,char **argv) {    int x;    const char *addr[] = {        "44.135.86.12",        "127.0.0.1",        "172.16.23.95",        "192.168.9.1"    };    unsigned long net_addr;    for ( x=0; x<4; ++x ) {        net_addr = inet_network(addr[x]);        printf("%14s = 0x%08lX net 0x%08lX\n",            addr[x],net_addr,            (unsigned long)htonl(net_addr));    }    return 0;}