1 #define xCAT(A,B) A ## B
2 #define CAT(A,B) xCAT(A,B)
4 #define EL CAT(isl_,BASE)
5 #define xFN(TYPE,NAME) TYPE ## _ ## NAME
6 #define FN(TYPE,NAME) xFN(TYPE,NAME)
7 #define xS(TYPE,NAME) struct TYPE ## _ ## NAME
8 #define S(TYPE,NAME) xS(TYPE,NAME)
