fix: broken C repository links (TheAlgorithms#182)

Author: shrutikahilale

en/Search Algorithms/Binary Search.md

@@ -44,7 +44,7 @@ A simple Binary Search implementation may return -1 as 9 is not present in the a
 - [C++](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/binary_search.cpp)
 - [Python](https://github.com/TheAlgorithms/Python/blob/master/searches/binary_search.py)
 - [C-Sharp](https://github.com/TheAlgorithms/C-Sharp/blob/master/Algorithms/Search/BinarySearcher.cs)
-- [C](https://github.com/TheAlgorithms/C/blob/master/searching/Binary_Search.c)
+- [C](https://github.com/TheAlgorithms/C/blob/master/searching/binary_search.c)
 
 #### Video Explanation
 

en/Search Algorithms/Exponential Search.md

@@ -57,4 +57,5 @@ Let's take a look at this comparison with a less theoretical example. Imagine we
 #### Code Implementation Links
 
 - [C++](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/exponential_search.cpp)
+- [C](https://github.com/TheAlgorithms/C/blob/master/searching/exponential_search.c)
 - [JavaScript](https://github.com/TheAlgorithms/Javascript/blob/master/Search/ExponentialSearch.js)

en/Search Algorithms/Linear Search.md

@@ -38,6 +38,7 @@ Linear Search should return -1 as 6 is not present in the array
 - [Java](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/LinearSearch.java)
 - [C++](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/linear_search.cpp)
 - [Python](https://github.com/TheAlgorithms/Python/blob/master/searches/linear_search.py)
+- [C](https://github.com/TheAlgorithms/C/blob/master/searching/linear_search.c)
 
 #### Video Explanation
 

en/Sorting Algorithms/Quick Sort.md

@@ -71,6 +71,7 @@ it.
 - [Java](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/QuickSort.java)
 - [C++](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/quick_sort.cpp)
 - [Python](https://github.com/TheAlgorithms/Python/blob/master/sorts/quick_sort.py)
+- [C](https://github.com/TheAlgorithms/C/blob/master/sorting/quick_sort.c)
 - [Ruby](https://github.com/TheAlgorithms/Ruby/blob/master/sorting/quicksort.rb)
 
 #### Video Explanation

en/Sorting Algorithms/Selection Sort.md

@@ -57,7 +57,8 @@ The array is now sorted.
 - [Python](https://github.com/TheAlgorithms/Python/blob/master/sorts/selection_sort.py)
 - [Go](https://github.com/TheAlgorithms/Go/blob/master/sorts/selection_sort.go)
 - [Ruby](https://github.com/TheAlgorithms/Ruby/blob/master/Sorting/selection_sort.rb)
-- [C](https://github.com/TheAlgorithms/C/blob/master/sorting/SelectionSort.c)
+- [C iterative](https://github.com/TheAlgorithms/C/blob/master/sorting/selection_sort.c)
+- [C recursive](https://github.com/TheAlgorithms/C/blob/master/sorting/selection_sort_recursive.c)
 - [Scala](https://github.com/TheAlgorithms/Scala/blob/master/src/main/scala/Sort/SelectionSort.scala)
 - [Javascript](https://github.com/TheAlgorithms/Javascript/blob/master/Sorts/selectionSort.js)
 

en/Sorting Algorithms/Shell Sort.md

@@ -62,7 +62,7 @@ Initial Gap: 4
 - [C-Sharp](https://github.com/TheAlgorithms/C-Sharp/blob/master/Algorithms/Sorters/Comparison/ShellSorter.cs)
 - [Go](https://github.com/TheAlgorithms/Go/blob/master/sorts/shell_sort.go)
 - [Ruby](https://github.com/TheAlgorithms/Ruby/blob/master/Sorting/shell_sort.rb)
-- [C](https://github.com/TheAlgorithms/C/blob/master/sorting/shellSort.c)
+- [C](https://github.com/TheAlgorithms/C/blob/master/sorting/shell_sort.c)
 - [Javascript](https://github.com/TheAlgorithms/Javascript/blob/master/Sorts/shellSort.js)
 
 #### Video Explanation