Make a FIFO Example

// program on FIFO

# include <stdio.h>
# include <sys/types.h>
# include <sys/stat.h>
# include <fcntl.h>
int main()
{
int fd;
char buff[100];
/*creating FIFO */
if((mkfifo("./MyFifo",S_IFIFO|S_IRWXU|S_IRWXG|S_IRWXO))<0)
perror("\nmkfifo error...");


/*creating reader process...*/

fd=open("./MyFifo",O_RDONLY|O_NONBLOCK);

while(read(fd,buff,sizeof(buff))>0)
printf("%s",buff);

/*creating write process */

fd=open("./MyFifo",O_WRONLY);
write(fd,"Hello world",12);
close(fd);
}