wcsrchr: operace skenování řetězců se širokými znaky

Originální popis anglicky: wcsrchr - wide-character string scanning operation

Návod, kniha: POSIX Programmer's Manual

STRUČNĚ

#include <wchar.h> wchar_t *wcsrchr(const wchar_t * ws, wchar_t wc);

POPIS / INSTRUKCE

The wcsrchr() function shall locate the last occurrence of wc in the wide-character string pointed to by ws. The application shall ensure that the value of wc is a character representable as a type wchar_t 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.

NÁVRATOVÁ HODNOTA

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.

CHYBY / ERRORY

No errors are defined. The following sections are informative.

PŘÍKLADY POUŽITÍ

None.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SOUVISEJÍCÍ

wcschr() , the Base Definitions volume of IEEE Std 1003.1-2001, <wchar.h>

COPYRIGHT

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .