YY_NULL 112 source4/heimdal/lib/asn1/lex.c #define YY_NULL 0 YY_NULL 112 source4/heimdal/lib/com_err/lex.c #define YY_NULL 0 YY_NULL 112 source4/heimdal/lib/hx509/sel-lex.c #define YY_NULL 0