A:\MDK5\ARM\ARMCC\Bin\..\include\rw/_defs.h(781): error: #20: identifier "namespace" is undefined

错误信息"A:\MDK5\ARM\ARMCC\Bin\..\include\rw/_defs.h(781): error: #20: identifier 'namespace' is undefined"表明在文件rw/_defs.h的第781行，"namespace"这个标识符未定义。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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