BUILTIN
#define builtin(x) ((x) | BUILTIN)
#define builtin_idx(x) ((x) & (wchar_t)~BUILTIN)
#define is_builtin(x) ((x) != WEOF && ((x) & BUILTIN))
hentry.data = (BUILTIN | i);
if (h->data & (BUILTIN | FUNCTION))
h->data = (BUILTIN|i);
if (h->data & (BUILTIN | FUNCTION))
case BUILTIN:
if (h->data & (BUILTIN | FUNCTION))
if (argn == 0 || (comtype = hashtype(cmdhash)) == BUILTIN) {
else if (comtype == BUILTIN) {