inet_addr sample c code

/* inetaddr.c:

 *

 * Example using inet_addr(3):

 */

 #include <stdio.h>

 #include <unistd.h>

 #include <stdlib.h>

 #include <errno.h>

 #include <string.h>

 #include <sys/types.h>

 #include <sys/stat.h>

 #include <sys/socket.h>

 #include <sys/un.h>

 #include <netinet/in.h>

 #include <arpa/inet.h>

/*

 * This function reports the error and

 * exits back to the shell:

 */

 static void  displayError(const char *on_what) {

    fputs(on_what,stderr);

    fputc('/n',stderr);

    exit(1);

 }

 int main(int argc,char **argv) {

    int z;

    struct sockaddr_in adr_inet;/* AF_INET */

    int len_inet; /* length */

    int sck_inet; /* Socket */

/* 

 * Create a Socket 

 */

 sck_inet = socket(AF_INET, SOCK_STREAM, 0);

 if ( sck_inet == -1 ) {

    displayError("socket()");

 }

/* 

 * Establish address 

 */

 memset(&adr_inet,0,sizeof adr_inet);

 adr_inet.sin_family = AF_INET;

 adr_inet.sin_port = htons(9000);

 adr_inet.sin_addr.s_addr =  inet_addr("127.0.0.95");

 if ( adr_inet.sin_addr.s_addr == INADDR_NONE ) {

    displayError("bad address.");

 }

 len_inet = sizeof adr_inet;

/* 

 * Bind it to the socket 

 */

 z = bind(sck_inet, (struct sockaddr *)&adr_inet, len_inet);

 if ( z == -1 ) {

    displayError("bind()");

 }

/*

 * Display our socket address 

 */

 system("netstat -pa --tcp 2>/dev/null | grep inetaddr");

 return 0;

}

/*
 * OUTPUT
 *

[sgupta@rhel55x86 Linux-Socket-Programming]$ gcc inetaddr.c -o inetaddr
[sgupta@rhel55x86 Linux-Socket-Programming]$ ./inet_addr


tcp 0 0 127.0.0.95:9000 *:* CLOSE 992/inetaddr
[sgupta@rhel55x86 Linux-Socket-Programming]$
*/