struct timespec delay struct mq_attr attr int main int argc char argv

struct timespec *delay;
struct mq_attr attr;

int main(int argc, char **argv) 
{	
	//delay of send() in seconds
	delay->tv_sec = 2;

	int flags = O_RDWR | O_CREAT;
	mqd_t mqd;
	mqd = mq_open("/my_mq", flags, O_RDWR, attr);

	for (;;)
	{
		mq_getattr(mqd, &attr);

		if (attr.mq_curmsgs < 5)
		{
			//variables for send()
			size_t len = 1;
			uint_t prio = atoi(18);
			void *ptr = calloc(len, sizeof(char));

			mq_timedsend(mqd, ptr, len, prio, delay);
			printf("Producer made 1 item\n");
		}
	}
}