Now imagine some metaphysician saying "Wait a minute, buster, not so quick.
想像一下某个形而上学者说,“等等,伙计,别急。
Right. So main calls foo, foo is declared, but wait a minute, void foo void I need my prototype; so void foo, void.
对,main调用foo,foo被声明了,但是等一等,我需要我的原型,所以。
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