tests/pp/03.c

   1 #define str(s) # s
   2 #define xstr(s) str(s)
   3 #define debug(s, t) printf("x" # s "= %d, x" # t "= %s", \
   4         x ## s, x ## t)
   5 #define INCFILE(n) vers ## n
   6 #define glue(a, b) a ## b
   7 #define xglue(a, b) glue(a, b)
   8 #define HIGHLOW "hello"
   9 #define LOW LOW ", world"
  10 debug(1, 2);
  11 fputs(str(strncmp("abc\0d", "abc", '\4') // this goes away
  12         == 0) str(: @\n), s);
  13 \#include xstr(INCFILE(2).h)
  14 glue(HIGH, LOW);
  15 xglue(HIGH, LOW)