iBoot/lib/libc/strtok.c

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2023-07-08 13:03:17 -07:00
/*
* 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>
static char *___strtok = NULL;
char *
strtok(char *s, char const *ct)
{
char *sbegin, *send;
sbegin = s ? s : ___strtok;
if (!sbegin) {
return NULL;
}
sbegin += strspn(sbegin,ct);
if (*sbegin == '\0') {
___strtok = NULL;
return( NULL );
}
send = strpbrk( sbegin, ct);
if (send && *send != '\0')
*send++ = '\0';
___strtok = send;
return (sbegin);
}