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wcscat - concatenate two wide-character strings
#include <wchar.h> wchar_t *wcscat(wchar_t *dest, const wchar_t *src);
The wcscat() function is the wide-character equivalent of the strcat(3) function. It copies the wide-character string pointed to by src, including the terminating null wide character (L'\0'), to the end of the wide-character string pointed to by dest. The strings may not overlap. The programmer must ensure that there is room for at least wcslen(dest) + wcslen(src) + 1 wide characters at dest.
wcscat() returns dest.
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