C Functions | AsgarTech
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C Functions
In C programming, there are several types of functions that can be used depending on the specific task that needs to be performed. Here are some common types of functions in C
These are types of function in c programming
- Void Functions: A void function is a function that does not return a value. These functions are typically used for tasks that do not require a return value, such as printing output to the console or modifying a global variable.
- Functions with Return Values: A function with a return value is a function that calculates and returns a value. These functions are often used for calculations or data processing tasks.
- Functions with Parameters: A function with parameters is a function that takes one or more input values, called parameters, and uses them in its calculation or processing.
- Recursive Functions: A recursive function is a function that calls itself repeatedly until a specific condition is met. These functions are often used for tasks that involve repeatedly breaking a problem down into smaller sub-problems.
- Inline Functions: An inline function is a function that is expanded by the compiler at the point where it is called, rather than being executed as a separate function call. Inline functions can provide performance benefits for small, frequently-called functions.
- Library Functions: Library functions are pre-written functions that are included in standard libraries, such as the math library or string library. These functions can be used by a programmer without having to write the function code themselves.
Now these are Function With Example:-
Void Functions:
A void function is a function that does not return a value. These functions are typically used for tasks that do not require a return value, such as printing output to the console or modifying a global variable. Here's an example:
void greet() {
printf("Hello, world!\n");
}
Functions with Return Values:
A function with a return value is a function that calculates and returns a value. These functions are often used for calculations or data processing tasks. Here's an example:
int square(int num) {
int result = num * num;
return result;
}
Functions with Parameters:
A function with parameters is a function that takes one or more input values, called parameters, and uses them in its calculation or processing. Here's an example:
int factorial(int num) {
if (num == 1) {
return 1;
} else {
return num * factorial(num - 1);
}
}
Inline Functions:
An inline function is a function that is expanded by the compiler at the point where it is called, rather than being executed as a separate function call. Inline functions can provide performance benefits for small, frequently-called functions. Here's an example:
inline int square(int num) {
return num * num;
}
These are some of the most common types of functions in C programming, but there are many other types and variations depending on the specific task and programming style.
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