modernc.org/ccgo/v3@v3.16.14/lib/testdata/tcc-0.9.27/tests/pp/09.c (about)

     1  #define C(a,b,c) a##b##c
     2  #define N(x,y) C(x,_,y)
     3  #define A_O aaaaoooo
     4  N(A,O)