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Хостинг:
wmemchr - find a wide-character in memory
#include <wchar.h> wchar_t *wmemchr(const wchar_t *ws, wchar_t wc, size_t n);
#include <wchar.h> const wchar_t *wmemchr(const wchar_t *ws, wchar_t wc, size_t n);
#include <cwchar> wchar_t *std::wmemchr(wchar_t *ws, wchar_t wc, size_t n);
The wmemchr() function locates the first occurrence of wc in the initial n wide-characters of the object pointed to be ws. This function is not affected by locale and all wchar_t values are treated identically. The null wide-character and wchar_t values not corresponding to valid characters are not treated specially.
If n is 0, ws must be a valid pointer and the function behaves as if no valid occurrence of wc is found.
The wmemchr() function returns a pointer to the located wide-character, or a null pointer if the wide-character does not occur in the object.
See attributes(5) for descriptions of the following attributes:
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wmemcmp(3C), wmemcpy(3C), wmemmove(3C), wmemset(3C), attributes(5), standards(5)
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