A function is a block of statements that together perform a task of some kind. Every C program has at least one function, which is
built-in functions: The C standard library provides numerous built-in functions that your program can call. For example,
User defined function: You can divide up your code into separate functions such that each function performs a specific task.
A function declaration tells the compiler about a function's name, return type, and parameters. A function definition provides the actual body of the function. A function can also be referred as a method or a sub-routine or a procedure, etc.
Function Definition and Declaration
Calling a Function
Recursion
Variable Arguments
Command Line Arguments
main().built-in functions: The C standard library provides numerous built-in functions that your program can call. For example,
printf() and scanf().User defined function: You can divide up your code into separate functions such that each function performs a specific task.
A function declaration tells the compiler about a function's name, return type, and parameters. A function definition provides the actual body of the function. A function can also be referred as a method or a sub-routine or a procedure, etc.
Function Definition and Declaration
Calling a Function
Recursion
Variable Arguments
Command Line Arguments
Related topics:
Function Definition and Declaration in C | Calling a Function in C | Recursion in C | Variable Arguments in C | Command Line Arguments in C
List of topics: C Programming
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