prep             1050 lib/lua/lparser.c   int prep, endfor;
prep             1053 lib/lua/lparser.c   prep = isnum ? luaK_codeAsBx(fs, OP_FORPREP, base, NO_JUMP) : luaK_jump(fs);
prep             1059 lib/lua/lparser.c   luaK_patchtohere(fs, prep);
prep             1063 lib/lua/lparser.c   luaK_patchlist(fs, (isnum ? endfor : luaK_jump(fs)), prep + 1);