/* Avoid warnings about redefining NULL by including <stdio.h> first;
the other file which wants to define it (<stddef.h> on Ultrix
systems) can deal if NULL is already defined, but <stdio.h> can't. */
/* Avoid warnings about redefining NULL by including <stdio.h> first;
the other file which wants to define it (<stddef.h> on Ultrix
systems) can deal if NULL is already defined, but <stdio.h> can't. */