extern int64_t dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1,
uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
extern int64_t dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1,
uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);