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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libnetworking/] [libc/] [strsep.c] - Rev 385
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/*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: strsep.c,v 1.2 2001-09-27 12:01:53 chris Exp $ */ #if defined(LIBC_SCCS) && !defined(lint) static const char sccsid[] = "@(#)strsep.c 8.1 (Berkeley) 6/4/93"; #endif /* LIBC_SCCS and not lint */ #include <string.h> #include <stdio.h> /* * Get next token from string *stringp, where tokens are possibly-empty * strings separated by characters from delim. * * Writes NULs into the string at *stringp to end tokens. * delim need not remain constant from call to call. * On return, *stringp points past the last NUL written (if there might * be further tokens), or is NULL (if there are definitely no more tokens). * * If *stringp is NULL, strsep returns NULL. * * PUBLIC: #ifndef HAVE_STRSEP * PUBLIC: char *strsep __P((char **, const char *)); * PUBLIC: #endif */ char * strsep(stringp, delim) register char **stringp; register const char *delim; { register char *s; register const char *spanp; register int c, sc; char *tok; if ((s = *stringp) == NULL) return (NULL); for (tok = s;;) { c = *s++; spanp = delim; do { if ((sc = *spanp++) == c) { if (c == 0) s = NULL; else s[-1] = 0; *stringp = s; return (tok); } } while (sc != 0); } /* NOTREACHED */ }
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