-/* Copyright (C) 1991, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1994, 1997, 1998 Free Software Foundation, Inc.
NOTE: The canonical source of this file is maintained with the GNU C
Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu.
# include <config.h>
#endif
-/* Define-away any (possibly conflicting) prototype of putenv.
- Many systems omit the `const' attribute on the argument. */
-#define putenv _sys_putenv
+/* Disable the definition of putenv to rpl_putenv (from config.h) in this
+ file. Otherwise, we'd get conflicting prototypes for rpl_putenv on
+ systems like Irix 5.3. */
+#undef putenv
+
+#include <sys/types.h>
#if defined (__GNU_LIBRARY__) || defined (HAVE_STDLIB_H)
# include <stdlib.h>
# include <unistd.h>
#endif
-#undef putenv
-
#if !defined (__GNU_LIBRARY__) && !defined (HAVE_STRCHR)
# define strchr index
#endif
extern char **environ;
#endif
+#ifndef NULL
+# define NULL 0
+#endif
+
/* Put STRING, which is of the form "NAME=VALUE", in the environment. */
int
-putenv (string)
+rpl_putenv (string)
const char *string;
{
const char *const name_end = strchr (string, '=');