SYS_syscallemu
if (emul_netbsd.e_sysent[SYS_syscallemu].sy_call == sys_nosys) {
emul_netbsd.e_sysent[SYS_syscallemu].sy_call = sys_nomodule;
emul_netbsd.e_sysent[SYS_syscallemu].sy_narg =
emul_netbsd.e_sysent[SYS_syscallemu].sy_argsize =
{ SYS_syscallemu, 0, (sy_call_t *)sys_syscallemu },
__CTASSERT(SYS_syscallemu >= SYS_MAXSYSCALL);
__CTASSERT(SYS_syscallemu < SYS_NSYSENT);
error = syscall(SYS_syscallemu, (uintptr_t)ustart, (uintptr_t)uend);