acl_add_perm man page on MacOSX

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ACL_ADD_PERM(3)		 BSD Library Functions Manual	       ACL_ADD_PERM(3)

NAME
     acl_add_perm — add permissions to a permission set

LIBRARY
     Standard C Library (libc, -lc)

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

     int
     acl_add_perm(acl_permset_t permset_d, acl_perm_t perm);

DESCRIPTION
     The acl_add_perm() function is a POSIX.1e call that adds the permission
     contained in perm to the permission set permset_d.

     Note: it is not considered an error to attempt to add permissions that
     already exist in the permission set.

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

ERRORS
     The acl_add_perm() function fails if:

     [EINVAL]		Argument permset_d is not a valid descriptor for a
			permission set within an ACL entry.  Argument perm
			does not contain a valid acl_perm_t value.

SEE ALSO
     acl(3), acl_clear_perms(3), acl_delete_perm(3), acl_get_permset(3),
     acl_set_permset(3), posix1e(3)

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

AUTHORS
     Michael Smith
     Chris D Fulhaber

BSD				March 10, 2001				   BSD
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