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.\" $FreeBSD: release/9.1.0/lib/libc/posix1e/acl_get_flag_np.3 204725 2010-03-04 19:38:24Z joel $
.\"
.Dd June 25, 2009
.Dt ACL_GET_FLAG_NP 3
.Os
.Sh NAME
.Nm acl_get_flag_np
.Nd check if a flag is set in a flagset
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/acl.h
.Ft int
.Fn acl_get_flag_np "acl_flagset_t flagset_d" "acl_flag_t flag"
.Sh DESCRIPTION
The
.Fn acl_get_flag_np
function
is a non-portable function that checks if a flag is set in
a flagset.
.Sh RETURN VALUES
If the flag in
.Fa flag
is set in the flagset
.Fa flagset_d ,
a value of
1
is returned, otherwise a value of
0
is returned.
.Sh ERRORS
If any of the following conditions occur, the
.Fn acl_get_flag_np
function will return a value of
\-1
and set global variable
.Va errno
to the corresponding value:
.Bl -tag -width Er
.It Bq Er EINVAL
Argument
.Fa flag
does not contain a valid ACL flag or argument
.Fa flagset_d
is not a valid ACL flagset.
.El
.Sh SEE ALSO
.Xr acl 3 ,
.Xr acl_add_flag_np 3 ,
.Xr acl_clear_flags_np 3 ,
.Xr acl_delete_flag_np 3 ,
.Xr acl_get_flagset_np 3 ,
.Xr acl_set_flagset_np 3 ,
.Xr posix1e 3
.Sh STANDARDS
POSIX.1e is described in IEEE POSIX.1e draft 17.
.Sh HISTORY
POSIX.1e support was introduced in
.Fx 4.0 .
The
.Fn acl_get_flag_np
function was added in
.Fx 8.0 .
.Sh AUTHORS
The
.Fn acl_get_flag_np
function was written by
.An Edward Tomasz Napierala Aq trasz@FreeBSD.org .