| /* Iterate through the elements of an argz block. | 
 |    Copyright (C) 1995-2016 Free Software Foundation, Inc. | 
 |    This file is part of the GNU C Library. | 
 |    Written by Miles Bader <miles@gnu.org> | 
 |  | 
 |    The GNU C Library is free software; you can redistribute it and/or | 
 |    modify it under the terms of the GNU Lesser General Public | 
 |    License as published by the Free Software Foundation; either | 
 |    version 2.1 of the License, or (at your option) any later version. | 
 |  | 
 |    The GNU C Library is distributed in the hope that it will be useful, | 
 |    but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 |    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
 |    Lesser General Public License for more details. | 
 |  | 
 |    You should have received a copy of the GNU Lesser General Public | 
 |    License along with the GNU C Library; if not, see | 
 |    <http://www.gnu.org/licenses/>.  */ | 
 |  | 
 | #include <argz.h> | 
 | #include <string.h> | 
 |  | 
 | char * | 
 | __argz_next (const char *argz, size_t argz_len, const char *entry) | 
 | { | 
 |   if (entry) | 
 |     { | 
 |       if (entry < argz + argz_len) | 
 | 	entry = strchr (entry, '\0') + 1; | 
 |  | 
 |       return entry >= argz + argz_len ? NULL : (char *) entry; | 
 |     } | 
 |   else | 
 |     if (argz_len > 0) | 
 |       return (char *) argz; | 
 |     else | 
 |       return NULL; | 
 | } | 
 | weak_alias (__argz_next, argz_next) |