LocVar
sizeof(LocVar) * f->sizelocvars +
LocVar *locvars; /* information about local variables (debug information) */
LocVar, SHRT_MAX, "local variables");
static LocVar *getlocvar (FuncState *fs, int i) {
luaM_reallocvector(L, f->locvars, f->sizelocvars, fs->nlocvars, LocVar);
f->locvars=luaM_newvector(S->L,n,LocVar);