SETQUOTA(2)	    UNIX Programmer's Manual	      SETQUOTA(2)

     setquota - enable/disable quotas on a file system

     setquota(special, file)
     char *special, *file;

     Disc quotas are enabled or disabled with the setquota call.
     Special indicates a block special device on which a mounted
     file system exists.  If file is nonzero, it specifies a file
     in that file system from which to take the quotas.  If file
     is 0, then quotas are disabled on the file system.  The
     quota file must exist; it is normally created with the quo-
     tacheck(8) program.

     Only the super-user may turn quotas on or off.

     quota(2), quotacheck(8), quotaon(8)

     A 0 return value indicates a successful call.  A value of -1
     is returned when an error occurs and errno is set to indi-
     cate the reason for failure.

     Setquota will fail when one of the following occurs:

     [ENOTDIR]	    A component of either path prefix is not a

     [EINVAL]	    Either pathname contains a character with the
		    high-order bit set.

     [EINVAL]	    The kernel has not been compiled with the
		    QUOTA option.

     [ENAMETOOLONG] A component of either pathname exceeded 255
		    characters, or the entire length of either
		    path name exceeded 1023 characters.

     [ENODEV]	    Special does not exist.

     [ENOENT]	    File does not exist.

     [ELOOP]	    Too many symbolic links were encountered in
		    translating either pathname.

     [EPERM]	    The caller is not the super-user.

     [ENOTBLK]	    Special is not a block device.

Printed 11/26/99	 August 26, 1985			1

SETQUOTA(2)	    UNIX Programmer's Manual	      SETQUOTA(2)

     [ENXIO]	    The major device number of special is out of
		    range (this indicates no device driver exists
		    for the associated hardware).

     [EROFS]	    File resides on a read-only file system.

     [EACCES]	    Search permission is denied for a component
		    of either path prefix.

     [EACCES]	    File resides on a file system different from

     [EACCES]	    File is not a plain file.

     [EIO]	    An I/O error occurred while reading from or
		    writing to the file containing the quotas.

     [EFAULT]	    Special or path points outside the process's
		    allocated address space.

     The error codes are in a state of disarray; too many errors
     appear to the caller as one value.

Printed 11/26/99	 August 26, 1985			2

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