1 #define MODULE 2 #define INTEGER(X) int 3 #define FLOAT float 4 #define DOUBLE double 5 6 #__public_macro INTEGER 7 #__private_macro FLOAT 8 #__private_macro MODULE 9 10 int (INTEGER); 11 12 #if !__building_module(macros) 13 # error Can't include this header without building the 'macros' module. 14 #endif 15 16 #ifdef __MODULE__ 17 extern int __MODULE__; 18 #endif 19 20