+/* Create a new instance of the C compiler and return it. The new
+ compiler is owned by the caller and must be freed using the destroy
+ method. This function never returns NULL, but rather throws an
+ exception on failure. This is suitable for use as the
+ la_get_compile_instance language method. */
+
+extern struct compile_instance *c_get_compile_context (void);
+
+/* This takes the user-supplied text and returns a new bit of code to
+ compile.
+
+ This is used as the la_compute_program language method; see that
+ for a description of the arguments. */
+
+extern std::string c_compute_program (struct compile_instance *inst,
+ const char *input,
+ struct gdbarch *gdbarch,
+ const struct block *expr_block,
+ CORE_ADDR expr_pc);