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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <string.h>
int main(int argc, char *argv[]) {
int sockfd;
struct sockaddr_in servaddr;
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
int port = atoi(argv[1]);
servaddr.sin_port = htons(port);
int n;
socklen_t len = sizeof(servaddr);
char *buf = malloc(100);
fgets(buf, 100, stdin);
while(strcmp(buf, "quit\n") != 0) {
sendto(sockfd, buf, strlen(buf),
MSG_CONFIRM, (const struct sockaddr *) &servaddr,
sizeof(servaddr));
n = recvfrom(sockfd, buf, 100,
MSG_WAITALL, (struct sockaddr *) &servaddr,
&len);
printf("Recieved: %s", buf);
fgets(buf, 100, stdin);
}
close(sockfd);
return 0;
}
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