In this program, we have used a for loop and the isalpha() function to count the number of alphabets in str. The following variables and codes are used in this program: strlen(str) - gives the length of the str string check - checks if str[i] is an alphabet with the help of isalp...
In locales other than "C", an alphabetic character is a character for which std::isupper() or std::islower() returns non-zero or any other character considered alphabetic by the locale. In any case, std::iscntrl(), std::isdigit(), std::ispunct() and std::isspace() will return zero...
<cpp |locale Localization library Character classification and conversion Character classification isspace isblank (C++11) iscntrl isupper islower isalpha ispunct isdigit isxdigit isalnum isprint isgraph Character conversions toupper tolower String and stream conversions ...