Learn/C/C — Beginner/Strings & Characters/Checkpoint: Strings/Word AnalyzerWord AnalyzerChallenge on lesson: Checkpoint: StringsInstructionsCodeOutputImplement int word_length(const char* w) (length, -1 for NULL), int digit_count(const char* s) (count of '0'..'9'), and void title_case(char* w) (uppercase the FIRST letter a-z in place; leave everything else).Difficulty: beginnerSubmitPress Submit to check your solution.Back to lesson: Checkpoint: Strings