extern char *strtok PARAMS ((char *, const char *)); /* X3.159-1989 4.11.5.8 */
#endif
-#ifndef strerror
-extern char *strerror PARAMS ((int)); /* X3.159-1989 4.11.6.2 */
-#endif
-
# ifdef HAVE_MEMORY_H
# include <memory.h>
# else
extern void *memmove();
extern int memcmp();
# endif
+#endif /* STDC_HEADERS */
+
+#ifdef NEED_DECLARATION_STRERROR
+#ifndef strerror
+extern char *strerror PARAMS ((int)); /* X3.159-1989 4.11.6.2 */
+#endif
#endif
-extern char *strdup ();
+#ifndef strdup
+extern char *strdup (); /* full prototype collides w/ some OSes (AIX 3.2.5) */
+#endif
#endif /* !defined(GDB_STRING_H) */