nonexistent code

基本解釋

I remember struggling with the source code and debugger to figure out how to achieve certain effects because the documentation was nonexistent. Those days are gone.
我還記得當(dāng)時(shí)和源代碼與調(diào)試器搏斗以便獲得特定效果的情景，因?yàn)楫?dāng)時(shí)還沒有文檔，那種情形不復(fù)存在了。
Documentation was almost nonexistent (I had very worn copies of the two [Leffler et al.] documents from the 4.3BSD manual set) so when you needed an answer, you looked it up in the source code.
當(dāng)時(shí)幾乎沒有文檔可查（我從一堆4.3BSD手冊(cè)中找到兩本Leffler等人編寫的文檔，但非常破舊），因而在想解決某個(gè)問題時(shí)，就得查源代碼。
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