wmemchr - search a wide character in a wide-character array

#include <wchar.h>
wchar_t *wmemchr(const wchar_t s[.n], wchar_t c, size_t n);

The wmemchr() function is the wide-character equivalent of the memchr(3) function. It searches the n wide characters starting at s for the first occurrence of the wide character c.

The wmemchr() function returns a pointer to the first occurrence of c among the n wide characters starting at s, or NULL if c does not occur among these.

memchr(3), wcschr(3)