Changes for ALLOCA.C by Andreas Scherer, March 23, 1995.

@x l.24
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@y
#include "andyconfig.h"
@z

This is already done in <stdio.h> or <stdlib.h> and SAS complains
about the double defined identifier (and maybe it should be `0L').

@x l.65
#define	NULL	0

@y
@z

@x l.67
extern pointer xmalloc ();
@y
extern pointer xmalloc (unsigned);
@z

@x l.91
find_stack_direction ()
@y
find_stack_direction (void)
@z

@x l.145
alloca (size)
     unsigned size;
@y
alloca (
     unsigned size)
@z