#include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/socket.h> #include <netinet/in.h> #include <netdb.h> #include <arpa/inet.h> #define MSG_LEN 512 void SendCommand(char str[], int s) { char msg[MSG_LEN]; int res; res = send(s, str, strlen(str), 0); if (res ⇐ 0) { close(s); return; } memset(msg, 0, MSG_LEN); res = recv(s, msg, MSG_LEN, 0); if (res ⇐ 0) { close(s); return; } printf(„%s\n”, msg); } int main(void) { int s, res; struct sockaddr_in taddr; char msg[MSG_LEN]; s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); if (s < 0) { perror(„socket”); return 1; } memset(&taddr, 0, sizeof(struct sockaddr)); taddr.sin_family = AF_INET; taddr.sin_port = htons(2000); taddr.sin_addr.s_addr = inet_addr(„127.0.0.1”); res = connect(s, (struct sockaddr*)&taddr, sizeof(struct sockaddr)); if (res < 0) { close(s); perror(„connect”); return 1; } memset(msg, 0, MSG_LEN); res = recv(s, msg, MSG_LEN, 0); if (res ⇐ 0) { close(s); return -1; } printf(„%s\n”, msg); SendCommand(„nxt; open”,s); SendCommand(„nxt; open”,s); close(s); return 0; }
