modernc.org/cc@v1.0.1/testdata/empty.c (about)

     1  #define m(x) #x
     2  #define n(x, y) #x
     3  #define o(x, y) #y
     4  #define p(x, y, z) #y
     5  
     6  char s[] = m();
     7  char t[] = n(, 42);
     8  char u[] = o(42,);
     9  char v[] = p(42,,314);