/* Routines imported from standard C runtime libraries. */
-#ifdef __STDC__
+#ifdef ANSI_PROTOTYPES
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
-#else /* !__STDC__ */
+#else /* !ANSI_PROTOTYPES */
#if !defined _WIN32 || defined __GNUC__
extern char *memcpy (); /* Copy memory region */
extern char *strdup (); /* Duplicate a string */
#endif
-#endif /* __STDC__ */
+#endif /* ANSI_PROTOTYPES */
#ifndef NULL