Library /sys$common/syshlp/helplib.hlb  —  CRTL  wcsncmp  Arguments
 wstr_1, wstr_2

    Pointers to null-terminated wide-character strings.

 maxchar

    The maximum number of characters to search in both wstr_1 and
    wstr_2. If maxchar is 0, no comparison is performed and 0 is
    returned (the strings are considered equal).
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