void EvalLTrim(const void *data, qCtx *ctx, qStr *out, qArgAry *args) {
VALID_ARGC("ltrim", 1, 2);
if (args->Count() > 1) {
CStr str = (*args)[0];
if (str.IsEmpty())
return;
CStr toks = (*args)[1];
if (toks.Length() == 0)
out->PutS(str);
else if (toks.Length() == 1)
out->PutS(str.LTrim(*toks));
else {
const char *p = str;
size_t i = strspn(p,toks);
out->PutS(p+i, str.Length() - i);
}
} else
out->PutS((*args)[0].LTrim());
}
