acl_set_qualifier man page on MacOSX

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ACL_SET_QUALIFIER(3)	 BSD Library Functions Manual	  ACL_SET_QUALIFIER(3)

NAME
     acl_set_qualifier — set ACL tag qualifier

LIBRARY
     Standard C Library (libc, -lc)

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

     int
     acl_set_qualifier(acl_entry_t entry_d, const void *tag_qualifier_p);

DESCRIPTION
     The acl_set_qualifier() function is a POSIX.1e call that sets the quali‐
     fier of the tag for the ACL entry entry_d to the value referred to by
     tag_qualifier_p.

     The tag type of the ACL entry, as previously set with
     acl_set_tag_type(3), must be either ACL_EXTENDED_ALLOW or
     ACL_EXTENDED_DENY, and tag_qualifier_p should be a pointer to a global
     unique identifier (of type guid_t).

RETURN VALUES
     The acl_set_qualifier() function returns the value 0 if successful; oth‐
     erwise the value -1 is returned and the global variable errno is set to
     indicate the error.

ERRORS
     The acl_set_qualifier() function fails if:

     [EINVAL]		Argument entry_d is not a valid descriptor for an ACL
			entry.	The tag type of the ACL entry entry_d is not
			ACL_EXTENDED_ALLOW or ACL_EXTENDED_DENY.  The value
			pointed to by tag_qualifier_p is not valid.

     [ENOMEM]		The value to be returned requires more memory than is
			allowed by the hardware or system-imposed memory man‐
			agement constraints.

SEE ALSO
     acl(3), acl_get_qualifier(3), acl_set_tag_type(3), posix1e(3)

STANDARDS
     POSIX.1e is described in IEEE POSIX.1e draft 17.

AUTHORS
     Michael Smith
     Chris D. Faulhaber

BSD				 Sept 2, 2008				   BSD
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