C > C on Unix

This is the sender program using Message Queues

This is the sender program using Message Queues
/*
 * A message queue program that shows a client server implementation
 * this is the sender program using Message Queues
 */
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>

#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#define MAX_TEXT 512

struct my_msg_st 
{
        long int my_msg_type;
        char some_text[MAX_TEXT];
};

int main()
{
 	int running = 1;
	int msgid;
	char ender[3] = "end";
	struct my_msg_st some_data;
	char buffer[BUFSIZ];
	system("clear");
	msgid = msgget((key_t)1234, 0666 | IPC_CREAT);
	if (msgid == -1) 
	{
	  fprintf(stderr,"msgget failed with error : %d 
 ", errno);
	  exit(EXIT_FAILURE);
	}

 while(running) 
 {
printf("Enter some text : ");
fgets(buffer, BUFSIZ, stdin);
	if (strncmp(buffer, ender,3) == 0 )
	{ running = 0; }
printf("
 Text sent : %s 
", buffer);
some_data.my_msg_type = 1;
strcpy(some_data.some_text, buffer);


	if (msgsnd(msgid, (void *)&some_data, MAX_TEXT, 0) == -1) 
	{
	 // perror("msgsnd error");
	fprintf(stderr,"msgsnd failed ");
	  exit(EXIT_FAILURE);
	}

}	
	exit(EXIT_SUCCESS);
}