Pelif
static void Fpass (void) { nest(); Pelif(); }
static void Oelif (void) { if (!iocccok) Eioccc(); Pelif(); }
static void Mpass (void) { memcpy(keyword, "if ", 4); Pelif(); }
{ Itrue, Ifalse,Fpass, Ftrue, Ffalse,Pelif, Mtrue, Delif, Pelse, Pendif,
Oiffy, Oiffy, Fpass, Oif, Oif, Pelif, Oelif, Oelif, Pelse, Pendif,
{ Idrop, Idrop, Fdrop, Fdrop, Fdrop, Pelif, Mtrue, Delif, Pelse, Pendif,