determine if the answer to a question is affirmative or negative NAME rpmatch - determine if the answer to a question is affirmative or negative LIBRARY Standard C lib......s: GNU. SEE ALSO locale (1), localedef (1), isalpha (3), localeconv (3), nl_langinfo (3), rpmatch (3), strcoll (3), strftime (3), charsets (7), locale (7)