client.c

#include "declarations.h"
#include "headers.h"

int main(int argc, char *argv[]) {
    struct sockaddr_un name;
    int data_socket;

    int ret;
    int i;
    char buffer[BUFFER_SIZE];

  data_socket = socket(AF_UNIX, SOCK_STREAM, 0);
  if (data_socket < 0) {
    perror("");
    exit(EXIT_FAILURE);
  }
  printf("Socket created\n");
  memset(&name, 0, sizeof(struct sockaddr_un));
  name.sun_family = AF_UNIX;
  strncpy(name.sun_path,SOCKET_NAME,sizeof(name.sun_path)-1);
 // strncpy(name.sun_path, SOCKET_NAME, sizeof(name.sun_path) - 1);
  ret = connect(data_socket,(const struct sockaddr *)&name,sizeof(struct sockaddr_un));
  if (ret < 0) {
    fprintf(stderr, "The server is down \n");
    exit(EXIT_FAILURE);
  }
  printf("Connection request sent to the client...\n");
  do {
    printf("Enter the data to send to the server \n");
    scanf("%d", &i);
    ret = write(data_socket, &i, sizeof(int));
    if (ret == -1) {
      perror("write");
      break;
    }
    printf("Number of bytes sent %d\t Data sent %d\n", ret, i);
  } while (i);
  // request result

  memset(buffer, 0, BUFFER_SIZE);

  ret = read(data_socket, buffer, BUFFER_SIZE);
  if (ret == -1) {
    perror("read");
    exit(EXIT_FAILURE);
  }

  printf("Received from server : %s\n", buffer);

  close(data_socket);

  exit(EXIT_SUCCESS);
}