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?RCS: $Id: d_getpgid.U 167 2013-05-08 17:58:00Z rmanfredi $
?RCS:
?RCS: Copyright (c) 1996, Andy Dougherty
?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_getpgid.U,v $
?RCS: Revision 3.0.1.1  1997/02/28  15:33:44  ram
?RCS: patch61: created
?RCS:
?MAKE:d_getpgid: Trylink cat i_unistd
?MAKE:	-pick add $@ %<
?S:d_getpgid:
?S:	This variable conditionally defines the HAS_GETPGID symbol, which
?S:	indicates to the C program that the getpgid(pid) function
?S:	is available to get the process group id.
?S:.
?C:HAS_GETPGID:
?C:	This symbol, if defined, indicates to the C program that 
?C:	the getpgid(pid) function is available to get the
?C:	process group id.
?C:.
?H:#$d_getpgid HAS_GETPGID		/**/
?H:.
?LINT:set d_getpgid
: see if getpgid exists
$cat >try.c <<EOC
#include <sys/types.h>
#$i_unistd I_UNISTD
#ifdef I_UNISTD
#include <unistd.h>
#endif
int main(void)
{
	static pid_t pid, ret;
	ret |= getpgid(pid);
	return ret ? 0 : 1;
}
EOC
cyn=getpgid
set d_getpgid
eval $trylink