Basic step to know before starting C Language |Learn First Program of C Language Hello World

 //comment:- You may apply comments in program anywhere  that part will not executed.

  //========= Type of Comments ==============

There two types of Comments

   // 1. Single line:-In single line comment use double slash

   /* 2.

      multiple

      line

      */

In Multiple line comments start with slash asterisk and end with asterisk slash

#include<stdio.h> //header file

 stdio - standered input output.

 h   - extension for header file.

 stdio.h -- file name

 #include -- pre-processor.

#include<conio.h>

 conio -- console input output

 conio.h -- file name

// main function-- from where program get started.

// void -- is a retrun type // void tell no need to return

// main -- name of the function every function should have unique name.

// () --parenthesis  -- representation of the function. OR parameters

// {} --curly bracket-- Body of the function or scop of the function.

//printf  =>use for output

//scanf  =>is use for input

#include<stdio.h>

int main()

{

printf("Hello word."); // Function calling -- this function in stdio.h

return (0);

}
Output:
Hello word

If you found any mistake please write in comment box