?RCS: $Id$
?RCS:
?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
?RCS:
?RCS: You may redistribute only under the terms of the Artistic License,
?RCS: as specified in the README file that comes with the distribution.
?RCS: You may reuse parts of this distribution only within the terms of
?RCS: that same Artistic License; a copy of which may be found at the root
?RCS: of the source tree for dist 4.0.
?RCS:
?RCS: $Log: d_readdir.U,v $
?RCS: Revision 3.0.1.1  1994/05/06  14:46:37  ram
?RCS: patch23: added support for seekdir, telldir and rewinddir (ADO)
?RCS:
?RCS: Revision 3.0  1993/08/18  12:06:52  ram
?RCS: Baseline for dist 3.0 netwide release.
?RCS:
?MAKE:d_readdir d_seekdir d_telldir d_rewinddir: Trylink cat i_dirent
?MAKE:	-pick add $@ %<
?S:d_readdir:
?S:	This variable conditionally defines HAS_READDIR if readdir() is
?S:	available to read directory entries.
?S:.
?C:HAS_READDIR (READDIR):
?C:	This symbol, if defined, indicates that the readdir routine is
?C:	available to read directory entries. You may have to include
?C:	<dirent.h>. See I_DIRENT.
?C:.
?H:#$d_readdir HAS_READDIR		/**/
?H:.
?S:d_seekdir:
?S:	This variable conditionally defines HAS_SEEKDIR if seekdir() is
?S:	available.
?S:.
?C:HAS_SEEKDIR:
?C:	This symbol, if defined, indicates that the seekdir routine is
?C:	available. You may have to include <dirent.h>. See I_DIRENT.
?C:.
?H:#$d_seekdir HAS_SEEKDIR		/**/
?H:.
?S:d_telldir:
?S:	This variable conditionally defines HAS_TELLDIR if telldir() is
?S:	available.
?S:.
?C:HAS_TELLDIR:
?C:	This symbol, if defined, indicates that the telldir routine is
?C:	available. You may have to include <dirent.h>. See I_DIRENT.
?C:.
?H:#$d_telldir HAS_TELLDIR		/**/
?H:.
?S:d_rewinddir:
?S:	This variable conditionally defines HAS_REWINDDIR if rewinddir() is
?S:	available.
?S:.
?C:HAS_REWINDDIR:
?C:	This symbol, if defined, indicates that the rewinddir routine is
?C:	available. You may have to include <dirent.h>. See I_DIRENT.
?C:.
?H:#$d_rewinddir HAS_REWINDDIR		/**/
?H:.
?LINT:set d_readdir d_seekdir d_telldir d_rewinddir
: see if readdir and friends exist
$cat >try.c <<EOC
#$i_dirent I_DIRENT
#ifdef I_DIRENT
#include <dirent.h>
#endif
int main(void)
{
	static DIR *dir;
	struct dirent *ret;
	ret = readdir(dir);
	return ret ? 0 : 1;
}
EOC
cyn=readdir
set d_readdir
eval $trylink

@if d_seekdir || HAS_SEEKDIR
$cat >try.c <<EOC
#$i_dirent I_DIRENT
#ifdef I_DIRENT
#include <dirent.h>
#endif
int main(void)
{
	static DIR *dir;
	static long loc;
	seekdir(dir, loc);
	return 0;
}
EOC
cyn=seekdir
set d_seekdir
eval $trylink
@end
@if d_telldir || HAS_TELLDIR
$cat >try.c <<EOC
#$i_dirent I_DIRENT
#ifdef I_DIRENT
#include <dirent.h>
#endif
int main(void)
{
	static DIR *dir;
	static long ret;
	ret |= telldir(dir);
	if (ret)
		return 1;
	return 0;
}
EOC
cyn=telldir
set d_telldir
eval $trylink
@end
@if d_rewinddir || HAS_REWINDDIR
$cat >try.c <<EOC
#$i_dirent I_DIRENT
#ifdef I_DIRENT
#include <dirent.h>
#endif
int main(void)
{
	static DIR *dir;
	rewinddir(dir);
	return 0;
}
EOC
cyn=rewinddir
set d_rewinddir
eval $trylink
@end