E-text <span>is digital textual information that can be stored, manipulated, and transmitted by electronic devices. The term "e-text" stands for electronic text and it is used for any digital document written, read, transmitted or manipulated by electronic devices, such as smart phones, PCs, tablets,...The origins of the e-text are in the beginning of the Internet.</span>
Lookup the isalpha() function in the C standard library, this function will check and return non-zero for alphabetic characters.
The correct answer I believe is A Sex offender