/*
 * Sample program for mknod() system call  - No.14
 *
 * mknod(2) - create a special or rodinary file
 *
 * Synopsis
 *     #include <sys/types.h>
 *     #include <sys/stat.h>
 *     #include <fcntl.h>
 *     #include <unistd.h>
 *
 *     int mknod(const char *pathname, mode_t mode, dev_t dev);
 * Types
 *     unsigned int mode_t ---- <sys/types.h>, <bits/types.h>
 *     unsigned long long int dev_t ---- <sys/types.h>, <bits/types.h>
 * Macros
 *     <bits/stat.h>
 *     #define __S_IFDIR       0040000 * Directory.  *
 *     #define __S_IFCHR       0020000 * Character device.  *
 *     #define __S_IFBLK       0060000 * Block device.  *
 *     #define __S_IFREG       0100000 * Regular file.  *
 *     #define __S_IFIFO       0010000 * FIFO.  *
 *     <sys/stat.h>
 *     # define S_IFMT         __S_IFMT
 *     # define S_IFDIR        __S_IFDIR
 *     # define S_IFCHR        __S_IFCHR
 *     # define S_IFBLK        __S_IFBLK
 *     # define S_IFREG        __S_IFREG
 *     # define S_IFIFO        __S_IFIFO
 *     <sys/sysmacros.h>
 *     We need to know the word order here.  This assumes that the word order
       is consistent with the byte order.  *
 *     # include <endian.h>
 *     # if __BYTE_ORDER == __BIG_ENDIAN
 *     #  define major(dev) (((dev).__val[1] >> 8) & 0xff)
 *     #  define minor(dev) ((dev).__val[1] & 0xff)
 *     #  define makedev(major, minor) { 0, ((((unsigned int) (major)) << 8) \
 *                                           | ((unsigned int) (minor))) }
 *     # else
 *     #  define major(dev) (((dev).__val[0] >> 8) & 0xff)
 *     #  define minor(dev) ((dev).__val[0] & 0xff)
 *     #  define makedev(major, minor) { ((((unsigned int) (major)) << 8) \
                                   | ((unsigned int) (minor))), 0 }
 *     # endif
 *     #endif
 */

#include <stdio.h>
#include <sys/stat.h>

main()
{
	/* make FIFO file */

	mknod("foo", S_IFIFO | 0666, 0);

	exit(0);
}