1439 #define VTRACE(v) printf v  macro
1441 #define VTRACE(v) do {} while(0)  /* do nothing */  macro
1445 #define FAIL do { VTRACE(("FAIL: %d\n", __LINE__)); return 0; } while (0)
1450         VTRACE(("%p: ", code));                         \
1453         VTRACE(("%lu (op)\n", (unsigned long)op));      \
1457         VTRACE(("%p= ", code));                         \
1460         VTRACE(("%lu (arg)\n", (unsigned long)arg));    \
1464         VTRACE(("%p= ", code));                         \
1467         VTRACE(("%lu (skip to %p)\n",                   \
1569     VTRACE(("code=%p, end=%p\n", code, end));  in _validate_inner()
1584                 VTRACE(("arg=%d, groups=%d\n", (int)arg, (int)groups));  in _validate_inner()
1699                   VTRACE(("code=%p, newcode=%p\n", code, newcode));  in _validate_inner()
1815                 VTRACE(("both then and else parts present\n"));  in _validate_inner()
1825                 VTRACE(("only a then part present\n"));  in _validate_inner()
1854     VTRACE(("okay\n"));  in _validate_inner()
1876         VTRACE(("Success!\n"));  in _validate()