Lines Matching refs:undef
735 #undef BYTEORDER
739 #undef BYTEORDER
1608 * Force cached value to be undef: hook ignored even if present.
1883 TRACEME(("immortal undef"));
1886 TRACEME(("undef at 0x%"UVxf, PTR2UV(sv)));
2096 TRACEME(("(#%d) undef item", i));
3363 repeated references to the one true undef will
3367 second store of undef the old hash value will be
3373 undef, as the hook routine does its own lookup into
3700 * Returns undef on error, a scalar value containing the data otherwise.
5283 TRACEME(("(#%d) undef item", i));
5284 continue; /* av_extend() already filled us with undef */
5348 TRACEME(("(#%d) undef value", i));
5876 return &PL_sv_undef; /* Something went wrong, return undef */
5937 * Retrieve data held in file and return the root object, undef on error.
5948 * Retrieve data held in scalar and return the root object, undef on error.