/* If we can't set a breakpoint, and it's in a shared library, just
disable it. */
-#define DISABLE_UNSETTABLE_BREAK(addr) solib_address(addr)
+#define DISABLE_UNSETTABLE_BREAK(addr) (solib_address(addr) != NULL)
-extern int
+extern char *
solib_address PARAMS ((CORE_ADDR)); /* solib.c */
+
+/* If ADDR lies in a shared library, return its name. */
+
+#define PC_SOLIB(addr) solib_address (addr)