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      1 // Copyright 2014 The Go Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style
      3 // license that can be found in the LICENSE file.
      4 
      5 // +build !plan9
      6 // +build !solaris
      7 // +build !windows
      8 // +build !nacl
      9 
     10 package runtime
     11 
     12 import "unsafe"
     13 
     14 func read(fd int32, p unsafe.Pointer, n int32) int32
     15 func closefd(fd int32) int32
     16 
     17 func exit(code int32)
     18 func nanotime() int64
     19 func usleep(usec uint32)
     20 
     21 func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) unsafe.Pointer
     22 func munmap(addr unsafe.Pointer, n uintptr)
     23 
     24 //go:noescape
     25 func write(fd uintptr, p unsafe.Pointer, n int32) int32
     26 
     27 //go:noescape
     28 func open(name *byte, mode, perm int32) int32
     29 
     30 func madvise(addr unsafe.Pointer, n uintptr, flags int32)
     31