get_afntype(int af)
struct aftype *get_afntype(int af)
get_afntype(int af){  struct aftype **afp;  if (!sVafinit)    afinit ();    afp = aftypes;  while (*afp != NULL) {	if ((*afp)->af == af) return(*afp);	afp++;  }  return(NULL);}