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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build dragonfly || freebsd || linux || netbsd || openbsd
// +build dragonfly freebsd linux netbsd openbsd
package runtime_test
import (
"internal/syscall/unix"
"syscall"
)
func fcntl(fd uintptr, cmd int, arg uintptr) (uintptr, syscall.Errno) {
res, _, err := syscall.Syscall(unix.FcntlSyscall, fd, uintptr(cmd), arg)
return res, err
}
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