WCSRCHR(3) Library Functions Manual WCSRCHR(3)

wcsrchrwide-character string scanning operation

#include <wchar.h>

wchar_t *wcsrchr(const wchar_t *ws, wchar_t wc);

The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.1-2008 defers to the ISO C standard.

The wcsrchr () function shall locate the last occurrence of wc in the wide-character string pointed to by . The application shall ensure that the value of wc is a character representable as a type and a wide-character code corresponding to a valid character in the current locale. The terminating null wide-character code shall be considered to be part of the wide-character string.

Upon successful completion, wcsrchr () shall return a pointer to the wide-character code or a null pointer if wc does not occur in the wide-character string.

No errors are defined.

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wcschr(3)

XBD <wchar.h>

First released in Issue 4. Derived from the MSE working draft.

The normative text is updated to avoid use of the term "must" for application requirements.

January 1, 2008 posix.fail