Synopsis
int wcsncmp(const wchar_t *s1,
            const wchar_t *s2,
            size_t n);
Description

wcsncmp compares not more than n wide characters from the array pointed to by s1 to the array pointed to by s2. Characters that follow a null wide character are not compared.

wcsncmp returns an integer greater than, equal to, or less than zero, if the possibly null-terminated array pointed to by s1 is greater than, equal to, or less than the possibly null-terminated array pointed to by s2.