Please answer BOTH QUESTIONS and provide the coding in C PROGRAM. Will give thumbs up if really helps. Thank you

2 points Write another function binSearch to perform binary search on the sorted string. The returned result by the search function should be the index number of the array element that matches the user input value. The search function returns -1 if the searched value is not found in the array of characters. 2 points Modify the complete C program that you have written previously to test the binSearch function. In the program, the function binSearch must accept the sorted string by the selection Sort function, prompt the user for a search key, and determines the position of which the key is found in the sorted string. The program also must show the low index, high index and mid index in each step