code review 3816043: syscall: Plan 9 support for x86.

src/pkg/syscall/str.go

 // Copyright 2009 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.
 
 package syscall
 
-func str(val int) string { // do it here rather than with fmt to avoid dependency
+func itoa(val int) string { // do it here rather than with fmt to avoid dependency
         if val < 0 {
-                return "-" + str(-val)
+                return "-" + itoa(-val)
         }
         var buf [32]byte // big enough for int64
         i := len(buf) - 1
         for val >= 10 {
                 buf[i] = byte(val%10 + '0')
                 i--
                 val /= 10
         }
         buf[i] = byte(val + '0')
         return string(buf[i:])
 }