library function的用法和樣例：
例句
- The prototypes of standard library functions are found in standard header files.
標準庫函數的原型能在標準頭文件中找到。 - Adding a library function to do this will save the scriptwriter time, and improve the maintainability of the scripts.
添加一個(gè)庫函數來(lái)做這些事情將會(huì )節省腳本編寫(xiě)者的時(shí)間，并且能改進(jìn)腳本的可維護性。 - Local column references and outer column references cannot be mixed in the same aggregate function.
本地列引用和外部列引用不能在同一集合函數中混用。
