Write a C or C++ program that used pthreads to harness multiple cores and improve performance for a program that can count the occurrences of a given character in an input file by reading the input file into an array and using threads to do the counting.

1. You can assume a maximum size for the input file (and use a fixed size array).

2. Input will include the search character, the number of threads to use, and the name of the input file.

3. Output will include the search character, the number of threads to use, the name of the input file, the number of times the search character was found in the file, and the execution time for the program (using gettimeofday system call).