cli.c

unix下的服务器程序和客户端程序

#include <stdio.h> 
#include <signal.h>
#include <unistd.h>
#include <strings.h>

#include <sys/types.h> 
#include <sys/socket.h> 
#include <netinet/in.h> 
#include <arpa/inet.h> 

#define PORT        102400
#define IP          "172.16.9.50" 
#define PKG_LEN     100 

main() 
{ 
    struct sockaddr_in ser; 
    int    k; 

    k=socket( AF_INET, SOCK_STREAM, 0 ); 
    bzero( &ser, sizeof( ser ) );

    ser.sin_family = AF_INET; 
    ser.sin_port = htons( 1024 ); 

    inet_pton( AF_INET, IP, &ser.sin_addr );

    connect( k, (struct sockaddr *)&ser,
             sizeof( struct sockaddr_in ) );

    write ( k, "1234567", 8 );
}