#include #include #include #include int main() { char* host = "kolibrios.org"; int port = 80; printf("Connecting to %s on port %d\n", host, port); struct addrinfo* addr_info; char port_str[16]; sprintf(port_str, "%d", port); struct addrinfo hints; memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_UNSPEC; // IPv4 or IPv6 doesnt matter hints.ai_socktype = SOCK_STREAM; // TCP stream sockets if (getaddrinfo(host, port_str, 0, &addr_info) != 0) { printf("Host %s not found!\n", host); freeaddrinfo(addr_info); exit(-1); } printf("IP address of %s is %s\n", host, inet_ntoa(addr_info->ai_addr->sin_addr)); // printf("Host port = %d\n", addr_info->ai_addr->sin_port >> 8); char request[256]; sprintf(request, "GET /en/ HTTP/1.1\r\nHost: %s\r\n\r\n", host); printf("request = %s\n", request); int sock = socket(AF_INET4, SOCK_STREAM, IPPROTO_TCP); puts("Connecting...\n"); if (connect(sock, addr_info->ai_addr, addr_info->ai_addrlen) != 0) { printf("Connection failed, errno = %d\n", errno); exit(errno); } puts("Connected successfully\n"); puts("Sending request...\n"); if (send(sock, request, strlen(request), MSG_NOFLAG) == -1) { printf("Sending failed, errno = %d\n", errno); exit(errno); } puts("Request sended successfully, waiting for response...\n"); char buf[512 + 1]; if (recv(sock, buf, 512, MSG_NOFLAG) == -1) { printf("Receive failed, errno = %d\n", errno); exit(errno); } printf("Response = %s\n", buf); freeaddrinfo(addr_info); close(sock); puts("\n goodbye)\n"); exit(0); }