freebsd man page for acl_get_flag_np

ACL_GET_FLAG_NP(3)					   BSD Library Functions Manual 					ACL_GET_FLAG_NP(3)

NAME
     acl_get_flag_np -- check if a flag is set in a flagset

LIBRARY
     Standard C Library (libc, -lc)

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

     int
     acl_get_flag_np(acl_flagset_t flagset_d, acl_flag_t flag);

DESCRIPTION
     The acl_get_flag_np() function is a non-portable function that checks if a NFSv4 ACL flag is set in a flagset.

RETURN VALUES
     If the flag in flag is set in the flagset flagset_d, a value of 1 is returned, otherwise a value of 0 is returned.

ERRORS
     If any of the following conditions occur, the acl_get_flag_np() function will return a value of -1 and set global variable errno to the cor-
     responding value:

     [EINVAL]		Argument flag does not contain a valid ACL flag or argument flagset_d is not a valid ACL flagset.

SEE ALSO
     acl(3), acl_add_flag_np(3), acl_clear_flags_np(3), acl_delete_flag_np(3), acl_get_flagset_np(3), acl_set_flagset_np(3), posix1e(3)

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

HISTORY
     POSIX.1e support was introduced in FreeBSD 4.0.  The acl_get_flag_np() function was added in FreeBSD 8.0.

AUTHORS
     The acl_get_flag_np() function was written by Edward Tomasz Napierala <trasz@FreeBSD.org>.

BSD
								 October 30, 2014							       BSD