Search a wide character in a wide-character string
#include <wchar.h> wchar_t *wcsrchr(const wchar_t *wcs, wchar_t wc);
The wcsrchr() function is the wide-character equivalent of the strrchr(3) function. It searches the last occurrence of wc in the wide-character string pointed to by wcs.
The wcsrchr() function returns a pointer to the last occurrence of wc in the wide-character string pointed to by wcs, or NULL if wc does not occur in the string.
The wcsrchr() function is thread-safe.
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