What are the forms of functions in C language?

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1. C language provides us with functions. C language has 15 header files called standard libraries, which provide a wealth of functions for us to call directly.

2. The function defined by yourself. You can define a function in a .c file and call it.

Example

We all see such a structure in c language.

Example:

Int main () {function body; return 0;}

This main function is the main function of c language, and c language only executes this main function. The main function can call other functions, but it cannot call any functions by itself. We can customize the function above or inside the main function, and then call the custom function in the main area of the main function.

What is C language? C language is a process-oriented and abstract general programming language, which is widely used in low-level development. C language can be used to compile and process low-level memory in a simple way.

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