Can I make any of the given programs to contribute

C language file Add in C-language folder
You can add any C language file and Project which you have practiced

example:

1. bubble-sort.c
2. ATM machine system.c
   3 .tic tac toe.c

You can Help of online learning website

1. Hello World Program in C
2. C program to check whether the given number is positive or negative
3. Reverse an input number using recursion
4. Program to find greatest of three numbers
5. C Program to print Fibonacci series in a given range
6. C Program to find factorial of a given number
7. Find Prime numbers in a given range
8. C Program to check if given number is Armstrong or not
9. C Program to check if given number is palindrome or not
10. C program to display palindrome numbers in a given range
11. C Program to check if number is odd or even
12. C Program to find out the ASCII value of a character
13. C Program to find the size of int, float, double and char
14. C Program to check whether an alphabet is vowel or consonant
15. C Program to check leap year
16. C Program to find sum of first n natural numbers

String Programs

1. Program to convert string from upper case to lower case
2. Program to convert string from lower case to upper case
3. Sort a set of strings in ascending alphabetical order
4. Find length of a string without using strlen()
5. String concatenation without using strcat
6. Reverse a String using recursion

Array Programs

1. Program to sort array in ascending order
2. Find largest element of given array
3. C program to find sum of array elements
4. C Program to find number of elements in an array

Follow @Anjan50
and add any C file which you practiced
After your followed I merge your pull request