windows-server-2003/base/crts/crtw32/string/wcschr.c

/***
*wcschr.c - search a wchar_t string for a given wchar_t character
*
*	Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
*
*Purpose:
*	defines wcschr() - search a wchar_t string for a wchar_t character
*
*Revision History:
*	09-09-91  ETC	Created from strchr.c.
*	04-07-92  KRS	Updated and ripped out _INTL switches.
*	04-06-93  SKS	Replace _CRTAPI* with __cdecl
*       02-07-94  CFW   POSIXify.
*
*******************************************************************************/

#ifndef _POSIX_

#include <cruntime.h>
#include <string.h>

/***
*wchar_t *wcschr(string, c) - search a string for a wchar_t character
*
*Purpose:
*	Searches a wchar_t string for a given wchar_t character,
*	which may be the null character L'\0'.
*
*Entry:
*	wchar_t *string - wchar_t string to search in
*	wchar_t c - wchar_t character to search for
*
*Exit:
*	returns pointer to the first occurence of c in string
*	returns NULL if c does not occur in string
*
*Exceptions:
*
*******************************************************************************/

wchar_t * __cdecl wcschr (
	const wchar_t * string,
	wchar_t ch
	)
{
	while (*string && *string != (wchar_t)ch)
		string++;

	if (*string == (wchar_t)ch)
		return((wchar_t *)string);
	return(NULL);
}

#endif /* _POSIX_ */