windows-xp/Source/XPSP1/NT/com/ole32/common/cruntime/chicago/wcschr.c

/***
*wcschr.c - search a wchar_t string for a given wchar_t character
*
*	Copyright (c) 1985-1992, 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.
*
*******************************************************************************/

#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 * _CALLTYPE1 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);
}