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C Programming Code Examples

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Program to Print Environment Variables



Program to Print Environment Variables

This C Program prints environment variables. Environment variables are a set of dynamic named values that can affect the way running processes will behave on a computer.

    #include <stdio.h>

    void main(int argc, char *argv[], char * envp[])

    {

        int j;

        for (j = 0; envp[j] != NULL; j++)

        {    

            printf("\n%s", envp[j]);

        }

    }

Find The Position of A Point With Respect
This is a C++ Program to check whether point lies above, below or on the line. For example, the equation of the line connecting points (2, 2) and (4, 5) is -3x + 2y + 2 = 0. The point (6, 3)

Program code to search for a Palindrome
C Programming language code to search for a palindrome. Please enter a word, phrase or sentence below(type END to exit the program). String is a palindrome or it is not...

Swap Array Element and Reverse an Array
To reverse an array in C++ programming, you have to ask to the user to enter the array size and array elements. Now start swapping the array elements. Make a variable say temp of

Use of typedef in Structure in C Language
Typedef makes the code short and improves readability. In the above discussion we have seen that while using structs every time we have to use the lengthy syntax, which makes

C++ Program Deletes Vowels from Strings
To delete all the vowels from the string in C++ programming, 'you have to ask' to the user to enter the string, now start checking for vowel ('i.e., a, A, e, E, i, I, o, O, u, U') to delete all the

Program Finds Prime Numbers in a Range
Program should display every prime number between 'range' and at the end total number of "prime numbers" found in range. Separate function which receives "two parameters" for

C Add Two Numbers using Command Line
Write a C Program. Open 'command prompt' inside Borland C/C++ and Click on DOS Shell. Inside command prompt type this command. Type "exit" command to return to C++ Screen

C Program Codes Get nth Bit of a Number
Program to input any number from user and check whether nth bit of the given number is set (1) or not (0). How to check whether nth bit of a given number is set or unset using...