-extern int hexdump __P((void *, size_t));
-extern char *bit2str __P((int, int));
-extern void *get_newbuf __P((void *, size_t));
-extern const char *debug_location __P((const char *, int, const char *));
-extern int getfsize __P((char *));
+extern int hexdump (void *, size_t);
+extern char *bit2str (int, int);
+extern void *get_newbuf (void *, size_t);
+extern const char *debug_location (const char *, int, const char *);
+extern int getfsize (char *);