There are three aspects of a C function. Function declaration A function must be declared globally in a c program to tell the compiler about the function name, function parameters, and return type.

Function Aspects.

SN C function aspects Syntax
2 Function call function_name (argument_list)

How do you call a function?

You call the function by typing its name and putting a value in parentheses. This value is sent to the function’s parameter. e.g. We call the function firstFunction(“string as it’s shown.”);

How do we call a function in C++?

A function declaration tells the compiler about a function name and how to call the function. The actual body of the function can be defined separately. int max(int, int); Function declaration is required when you define a function in one source file and you call that function in another file.

How do you call a function in C program?

Call by Reference:

  1. #include <stdio.h>
  2. int main()
  3. {
  4. int x = 10, y = 20;
  5. printf (” x = %d, y = %d from main before calling the function”, x, y);
  6. CallValue (&x, &y);
  7. printf( “\n x = %d, y = %d from main after calling the function”, x, y);
  8. }