ref: a04925b020bd4f1a0bef424ddde7448d3bc5d670
dir: /tests/cc/execute/0181-stringize.c/
#define XSTR(x) #x #define STR(x) XSTR(x) #define S y = "str" int main() { char *s, *t = STR(S); for (s = "y = \"str\""; *s && *t; ++s, ++t) { if (*s != *t) return 1; } return 0; }