// #include <cctype> dependency
typedef unsigned char Uchar; // needed for isalpha()
/// Get or skip the next word from a stream. 
/// wbufsize is the max word length + 1 (for null char)
bool getWord(char* word, int wbufsize, std::istream& is)
{
    int i = 0, n = wbufsize - 1; // max letters
    bool fill = (word && n > 0); // word wanted
    char ch; // current char
 
    while (is.get(ch) && !isalpha(Uchar(ch)))
        ;   // skip delimiters
    if (is) // have a letter
    do {
        if (fill) { // have a room
            word[i] = ch; // append letter
            if (i >= n)   // no more room
                fill = false;
        }
        ++i; // letters counter
    } while (is.get(ch) && isalpha(Uchar(ch)));
    if (word)// have a buffer
        word[i] = '\0'; // end of word
    return i > 0; // have a word
}