Write a program that counts the metrics of a file. Number of all characters(A-Z), Number of whitespaces, Number of lines, Number of all lower-case letters.

Assume constant file names. Open a file in read mode. After that, character by character, read the file and count the numbers asked. Remember to close the file.

C Using stdio.h

Example output:

Characters: 963

Whitespaces: 202

Lower case a: 126

Lower case b: 96

and so on...