1 #define A(x) C(B, D 2 #define D A(1)) 3 #define C(x,y) E(y) 4 #define E(y) #y 5 A(2)) 6 /* 7 * check-name: Preprocessor #7 8 * check-command: sparse -E $file 9 * 10 * check-output-start 11 12 "\"D\"" 13 * check-output-end 14 */ 15