redhat man page for acl_get_permset

ACL_GET_PERMSET(3)					   BSD Library Functions Manual 					ACL_GET_PERMSET(3)

NAME
     acl_get_permset -- retrieve the permission set from an ACL entry

LIBRARY
     Linux Access Control Lists library (libacl, -lacl).

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

     int
     acl_get_permset(acl_entry_t entry_d, acl_permset_t *permset_p);

DESCRIPTION
     The acl_get_permset() function returns in permset_p a descriptor to the permission set in the ACL entry indicated by entry_d.  Subsequent
     operations using the returned permission set descriptor operate on the permission set within the ACL entry.

     Any ACL entry descriptors that refer to the entry referred to by entry_d shall continue to refer to those entries.

RETURN VALUE
     The acl_get_permset() 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
     If any of the following conditions occur, the acl_get_permset() function returns -1 and sets errno to the corresponding value:

     [EINVAL]		The argument entry_d is not a valid descriptor for an ACL entry.

STANDARDS
     IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)

SEE ALSO
     acl_add_perm(3), acl_clear_perms(3), acl_delete_perm(3), acl_get_perm(3), acl_get_qualifier(3), acl_get_tag_type(3), acl_set_permset(3),
     acl_set_qualifier(3), acl_set_tag_type(3), acl(5)

AUTHOR
     Derived from the FreeBSD manual pages written by Robert N M Watson <rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher
     <a.gruenbacher@computer.org>.

Linux ACL							  March 23, 2002							 Linux ACL