iBoot/lib/libc/memchr.c

30 lines
606 B
C

/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* This document is the property of Apple Computer, Inc.
* It is considered confidential and proprietary.
*
* This document may not be reproduced or transmitted in any form,
* in whole or in part, without the express written permission of
* Apple Computer, Inc.
*/
#include <string.h>
#include <sys/types.h>
void *
memchr(void const *buf, int c, size_t len)
{
size_t i;
unsigned char const *b= buf;
unsigned char x= (c&0xff);
for(i= 0; i< len; i++) {
if(b[i]== x) {
return (void*)(b+i);
}
}
return NULL;
}