The C language standard library is a very important part of the C language. It contains many built-in functions that can provide very useful functions and tools for C programmers. Standard library functions can be divided into several categories, including input and output functions, string processing functions, mathematical functions, time functions, memory management functions, file operation functions, etc.
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Article title: C Standard Library Functions
URL of this article：https://en.perfcode.com/c/stdlib
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