Reconstruct Header Document For Free

Definitions: Data within a file that contains identifying information about the file and possibly metadata with information about the file contents.

With the custom header file, we will be able to manage user-defined methods, global variables, and structures in a separate file, which can be used in different modules and in different programs. Example: In the following example, we will be creating a custom header file to ?swap.

Certain kinds of business computer files, such as Microsoft Word documents, multimedia files and ZIP archives, carry important information in the data bytes nearest the file's beginning; software engineers call this area the ?header.? Sudden power outages, viruses and other problems can write bad data into the header, ...

To make a header file, we have to create one file with a name, and extension should be (*. h). In that function there will be no main() function. In that file, we can put some variables, some functions etc.

We can include header files in C by using one of the given two syntaxes whether it is a pre-defined or user-defined header file. The ?#include? preprocessor directs the compiler that the header file needs to be processed before compilation and includes all the necessary data types and function definitions.

To make a header file, we have to create one file with a name, and extension should be (*. h). In that function there will be no main() function. In that file, we can put some variables, some functions etc.

If programmer needs to use any of the functions, he/she has to write just one line include<myfile. h>. Create myfile. h file which contains the function declaration. Create myfile. c file which contains function definition. Include myfile. h in main program.