chain of FILE_DECLs; currently only C uses it. */
extern GTY(()) tree current_file_decl;
-
-/* Declare a predefined function. Return the declaration. This function is
- provided by each language frontend. */
-extern tree builtin_function (const char *, tree, int, enum built_in_class,
- const char *, tree);
\f
/* In tree.c */
extern unsigned crc32_string (unsigned, const char *);