windows-nt/Source/XPSP1/NT/com/ole32/common/cruntime/chicago/wcschr.c
2020-09-26 16:20:57 +08:00

49 lines
1.1 KiB
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);
}