HELPLIB.HLB  —  CRTL  wcsspn
    Compares the characters in a wide-character string against a set
    of wide characters. The function returns the length of the first
    substring comprised entirely of characters in the set of wide
    characters.

    Format

      #include  <wchar.h>

      size_t wcsspn  (const wchar_t *wstr1, const wchar_t *wstr2);
Additional Information: explode extract
Arguments Description Return Value Example
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