ustat man page on IRIX

ustat man page on IRIX

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ustat(2)							      ustat(2)

NAME
     ustat - get file system statistics

SYNOPSIS
     #include <sys/types.h>
     #include <ustat.h>

     int ustat(dev_t dev, struct ustat *buf);

DESCRIPTION
     ustat returns information about a mounted file system.  dev is a device
     number identifying a device containing a mounted file system [see
     makedev(3C)].  buf is a pointer to a ustat structure that includes the
     following elements:

	  daddr_t   f_tfree;	   /* Total free blocks */
	  ino_t	    f_tinode;	   /* Number of free inodes */
	  char	    f_fname[6];	   /* Filsys name */
	  char	    f_fpack[6];	   /* Filsys pack name */

     ustat fails if one or more of the following are true:

     EINVAL	    dev is not the device number of a device containing a
		    mounted file system.

     EFAULT	    buf points outside the process's allocated address space.

     EINTR	    A signal was caught during a ustat system call.

     ENOLINK	    dev is on a remote machine and the link to that machine is
		    no longer active.

     ECOMM	    dev is on a remote machine and the link to that machine is
		    no longer active.

SEE ALSO
     stat(2), statvfs(2), makedev(3C), fs(4).

NOTES
     ustat will be phased out in favor of the statvfs function.

DIAGNOSTICS
     Upon successful completion, a value of 0 is returned.  Otherwise, a value
     of -1 is returned and errno is set to indicate the error.

									Page 1

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