Changes for ALLOCA.C by Andreas Scherer, January 20, 1995.

@x l.65
#define	NULL	0
@y
#include <stdlib.h>
@z

@x l.77
#ifndef emacs
#define malloc xmalloc
#endif
extern pointer malloc ();
@y
#ifndef emacs
#define malloc xmalloc
#endif
extern pointer xmalloc (unsigned);
@z

@x l.104
find_stack_direction ()
@y
find_stack_direction (void)
@z

@x l.158
alloca (size)
     unsigned size;
@y
alloca (
     unsigned size)
@z