How to create a header file in dev c++

How can you create your own header file in C programming?

C Program to Create Your Own Header File in C Programming
  1. Step1 : Type this Code. int add(int a,int b) { return(a+b); } int add(int a,int b) {
  2. Step 2 : Save Code.
  3. Step 3 : Write Main Program. #include<stdio.h> #include“myhead.h” void main() { int num1 = 10, num2 = 10, num3; num3 = add(num1, num2); printf(“Addition of Two numbers : %d”, num3); } #include<stdio.h>

How do you create a header file?

A header file is a file with extension . h which contains C function declarations and macro definitions to be shared between several source files. There are two types of header files: the files that the programmer writes and the files that comes with your compiler.

What is a header file in C programming?

A header file is a file containing C declarations and macro definitions (see Macros) to be shared between several source files. You request the use of a header file in your program by including it, with the C preprocessing directive ‘ #include ‘. Header files serve two purposes.

What should be in a C header file?

The header file contains only declarations, and is included by the . c file for the module. Put only structure type declarations, function prototypes, and global variable extern declarations, in the . h file; put the function definitions and global variable definitions and initializations in the .