modernc.org/cc@v1.0.1/v2/testdata/cpp-expand/example-6.10.3.5-8.h (about)

     1  #define OBJ_LIKE (1-1)
     2  #define OBJ_LIKE /* white space */ (1-1) /* other */
     3  #define FUNC_LIKE(a) ( a )
     4  #define FUNC_LIKE( a ) ( /* note the white space */ \
     5  		a /* other stuff on this line
     6  		*/ )
     7  ok