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

@x l.23
extern char *calloc ();
extern char *realloc ();
extern void done ();
@y
#include <stdlib.h>
extern void done (int);
@z

@x l.30
xmalloc (n)
     register unsigned n;
@y
xmalloc (
     register unsigned n)
@z

@x l.49
xrealloc (block, n)
     register char *block;
     register unsigned n;
@y
xrealloc (
     register char *block,
     register unsigned n)
@z