[dev.cc] code review 177090043: runtime: convert remaining windows C code to Go

src/runtime/stubs2.go

 // Copyright 2014 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.
 
 // +build !solaris
+// +build !windows
 
 package runtime
 
 import "unsafe"
 
 func read(fd int32, p unsafe.Pointer, n int32) int32
 func close(fd int32) int32
 
 func exit(code int32)
 func nanotime() int64
 func usleep(usec uint32)
 
 func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) unsafe.Pointer
 func munmap(addr unsafe.Pointer, n uintptr)
 
 //go:noescape
 func write(fd uintptr, p unsafe.Pointer, n int32) int32
 
 //go:noescape
 func open(name *byte, mode, perm int32) int32
 
 func madvise(addr unsafe.Pointer, n uintptr, flags int32)