# 2.11BSD#431 - /usr/src/lib/libc/string/strsep.c

##### Functions

    strsep            X

       1: /*-
       2:  * Copyright (c) 1990, 1993
       3:  *	The Regents of the University of California.  All rights reserved.
       4:  *
       5:  * Redistribution and use in source and binary forms, with or without
       6:  * modification, are permitted provided that the following conditions
       7:  * are met:
       8:  * 1. Redistributions of source code must retain the above copyright
       9:  *    notice, this list of conditions and the following disclaimer.
      10:  * 2. Redistributions in binary form must reproduce the above copyright
      11:  *    notice, this list of conditions and the following disclaimer in the
      12:  *    documentation and/or other materials provided with the distribution.
      13:  * 3. All advertising materials mentioning features or use of this software
      14:  *    must display the following acknowledgement:
      15:  *	This product includes software developed by the University of
      16:  *	California, Berkeley and its contributors.
      17:  * 4. Neither the name of the University nor the names of its contributors
      18:  *    may be used to endorse or promote products derived from this software
      19:  *    without specific prior written permission.
      20:  *
      21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
      22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
      25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31:  * SUCH DAMAGE.
      32:  */
      33:
      34: #include <sys/types.h>
      35: #include <string.h>
      36: #include <stdio.h>
      37:
      38: #if defined(LIBC_SCCS) && !defined(lint)
      39: static char sccsid[] = "@(#)strsep.c	8.1.1 (2.11BSD) 1996/1/11";
      40: #endif /* LIBC_SCCS and not lint */
      41:
      42: /*
      43:  * Get next token from string *stringp, where tokens are possibly-empty
      44:  * strings separated by characters from delim.
      45:  *
      46:  * Writes NULs into the string at *stringp to end tokens.
      47:  * delim need not remain constant from call to call.
      48:  * On return, *stringp points past the last NUL written (if there might
      49:  * be further tokens), or is NULL (if there are definitely no more tokens).
      50:  *
      51:  * If *stringp is NULL, strsep returns NULL.
      52:  */
      53: char *
      54: strsep(stringp, delim)
      55:     register char **stringp;
      56:     char *delim;
      57: {
      58:     register char *s;
      59:     register char *spanp;
      60:     int c, sc;
      61:     char *tok;
      62:
      63:     if ((s = *stringp) == NULL)
      64:         return (NULL);
      65:     for (tok = s;;) {
      66:         c = *s++;
      67:         spanp = delim;
      68:         do {
      69:             if ((sc = *spanp++) == c) {
      70:                 if (c == 0)
      71:                     s = NULL;
      72:                 else
      73:                     s[-1] = 0;
      74:                 *stringp = s;
      75:                 return (tok);
      76:             }
      77:         } while (sc != 0);
      78:     }
      79:     /* NOTREACHED */
      80: }

#### Defined functions

strsep defined in line 53; used 62 times

- in /usr/include/string.h line 21
- in /usr/src/bin/chpass/chpass.c line 429-447(11)
- in /usr/src/bin/chpass/util.c line 152-158(4)
- in /usr/src/bin/ls/stat_flags.c line 116
- in /usr/src/bin/sysctl/sysctl.c line 598
- in /usr/src/include/strings.h line 26
- in /usr/src/lib/libc/gen/fstab.c line 73-75(3), 83-85(2)
- in /usr/src/lib/libc/gen/getpwent.c line 190-207(10)
- in /usr/src/sbin/mkpasswd/mkpasswd.c line 209-227(10)
- in /usr/src/sbin/mount/mount.c line 470
- in /usr/src/ucb/finger/util.c line 75, 87-91(3)
- in /usr/src/ucb/tset/tset.c line 1084, 1095
- in /usr/src/usr.sbin/vipw/vipw.c line 169-173(3), 185, 193-198(6), 209

#### Defined variables

sccsid defined in line 39; never used

Last modified: 1996-01-12 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 1090 |