LessonAbout 7 minLesson languageEnglishதமிழ் (Tamil)हिन्दी (Hindi)മലയാളം (Malayalam)తెలుగు (Telugu)ಕನ್ನಡ (Kannada)বাংলা (Bengali)मराठी (Marathi)ગુજરાતી (Gujarati)ਪੰਜਾਬੀ (Punjabi)Chapter 6 · Lesson 3 of 503. strlen, strcpy, strcat and strcmpstring.h has tools for text: strlen counts letters, strcpy copies, strcat joins, and strcmp compares two words.