midithru
midithru[i].txmask &= ~ep->self;
midithru[i].rxmask &= ~ep->self;
struct midithru *t = midithru + tag;
struct midithru *t;
t = midithru + i;
struct midithru *t;
t = midithru + i;
} midithru[MIDITHRU_NMAX];