package redir import ( "syscall" "unsafe" ) const GETSOCKOPT = 15 // https://golang.org/src/syscall/syscall_linux_386.go#L183 func socketcall(call, a0, a1, a2, a3, a4, a5 uintptr) error { var a [6]uintptr a[0], a[1], a[2], a[3], a[4], a[5] = a0, a1, a2, a3, a4, a5 if _, _, errno := syscall.Syscall6(syscall.SYS_SOCKETCALL, call, uintptr(unsafe.Pointer(&a)), 0, 0, 0, 0); errno != 0 { return errno } return nil }