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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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Disc2.iso
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vc98
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crt
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src
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wcspbrk.c
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C/C++ Source or Header
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1998-06-17
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2KB
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55 lines
/***
*wcspbrk.c - scans wide character string for a character from control string
*
* Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines wcspbrk()- returns pointer to the first wide-character in
* a wide-character string in the control string.
*
*******************************************************************************/
#include <cruntime.h>
#include <string.h>
/***
*wchar_t *wcspbrk(string, control) - scans string for a character from control
*
*Purpose:
* Returns pointer to the first wide-character in
* a wide-character string in the control string.
*
*Entry:
* wchar_t *string - string to search in
* wchar_t *control - string containing characters to search for
*
*Exit:
* returns a pointer to the first character from control found
* in string.
* returns NULL if string and control have no characters in common.
*
*Exceptions:
*
*******************************************************************************/
wchar_t * __cdecl wcspbrk (
const wchar_t * string,
const wchar_t * control
)
{
wchar_t *wcset;
/* 1st char in control string stops search */
while (*string) {
for (wcset = (wchar_t *) control; *wcset; wcset++) {
if (*wcset == *string) {
return (wchar_t *) string;
}
}
string++;
}
return NULL;
}