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client.c
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client.c
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <arpa/inet.h>
#define MAX 1024
int sockfd, port = 5566;
int n, len;
struct sockaddr_in servaddr;
// function to repeatedly accept input
void func(int sockfd)
{
char buff[MAX];
for (;;)
{
bzero(buff, MAX);
n = 0;
printf("Enter message to server:");
while ((buff[n++] = getchar()) != '\n')
;
sendto(sockfd, buff, sizeof(buff), MSG_CONFIRM, (struct sockaddr *)&servaddr, sizeof(servaddr));
bzero(buff, MAX);
n = recvfrom(sockfd, buff, sizeof(buff), MSG_WAITALL, (struct sockaddr *)&servaddr, &len);
printf("From Server : %s", buff);
if (strncmp("exit", buff, 4) == 0)
{
printf("Client Exit...\n");
break;
}
}
}
// main function
int main()
{
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
{
perror("Socket creation failed");
exit(0);
}
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(port);
servaddr.sin_addr.s_addr = INADDR_ANY;
func(sockfd);
close(sockfd);
return 0;
}