ifdef
基本解釋
- n.如果定義了
英漢例句
- Actually it is not guaranteed that the file will be safely imported (ResEdit does not really understand #ifdef for example).
實際上它是保證不的文件將會安全地被輸入。 - Code for debug is written under conditional compilation, and the condition is such as the debug code is not embedded if the condition is not present (i.e. #ifdef DEBUG).
用于調(diào)試的代碼可以使用條件編譯來包含，這樣可以在調(diào)試的時候起作用，而發(fā)布版本失效（不被編譯）。 - the Makefiles to these standard rules. -- rmk, mec ifdef USE_STANDARD_AS_RULE
匯編文件生成預(yù)處理文件的標(biāo)準(zhǔn)規(guī)則。 - #ifdef WITH_ZLIB #include
/* for zlibVersion() */ #endif zlib.
h 存在，這句話的作用是什么？還有為什么第... - - The #ifdef test can be omitted if the code doesn't need to compile against pre-8.2 PostgreSQL releases.
+ 如果代碼不必在 PostgreSQL 8.;2 之前的版本里編譯，那么可以忽略 %23ifdef 測試。