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

45 lines
1.2 KiB
C

/***
*wcschr.c - search a wide character string for a given wide character
*
* Copyright (c) 1985-1988, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines wcschr() - search a wide character string for a wide character
*
*Revision History:
* 04-07-91 IanJa C version created.
*
*******************************************************************************/
#include <stddef.h>
#include <stdlib.h>
/***
*char *wcschr(string, c) - search a wide character string for a wide character
*
*Purpose:
* Searches a wide character string for a given wide character, which may
* be the null character L'\0'.
*
*Entry:
* wchar_t *string - string to search in
* wchar_t c - 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 != ch)
string++;
if (*string == ch)
return (wchar_t *)string;
return NULL;
}