aboutsummaryrefslogtreecommitdiff
path: root/string/envz.h
diff options
context:
space:
mode:
Diffstat (limited to 'string/envz.h')
-rw-r--r--string/envz.h26
1 files changed, 13 insertions, 13 deletions
diff --git a/string/envz.h b/string/envz.h
index fd8865711d..dfd5e8aeb6 100644
--- a/string/envz.h
+++ b/string/envz.h
@@ -1,7 +1,5 @@
/* Routines for dealing with '\0' separated environment vectors
-
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
-
Written by Miles Bader <miles@gnu.ai.mit.edu>
This program is free software; you can redistribute it and/or
@@ -19,7 +17,9 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef __ENVZ_H__
-#define __ENVZ_H__
+
+#define __ENVZ_H__ 1
+#include <features.h>
#include <errno.h>
@@ -28,13 +28,13 @@
#include <argz.h>
/* Returns a pointer to the entry in ENVZ for NAME, or 0 if there is none. */
-char *envz_entry __P ((__const char *__envz, size_t __envz_len,
- __const char *__name));
+extern char *envz_entry __P ((__const char *__envz, size_t __envz_len,
+ __const char *__name));
/* Returns a pointer to the value portion of the entry in ENVZ for NAME, or 0
if there is none. */
-char *envz_get __P ((__const char *__envz, size_t __envz_len,
- __const char *__name));
+extern char *envz_get __P ((__const char *__envz, size_t __envz_len,
+ __const char *__name));
/* Adds an entry for NAME with value VALUE to ENVZ & ENVZ_LEN. If an entry
with the same name already exists in ENVZ, it is removed. If VALUE is
@@ -42,17 +42,17 @@ char *envz_get __P ((__const char *__envz, size_t __envz_len,
return NULL, although envz_entry will still return an entry; this is handy
because when merging with another envz, the null entry can override an
entry in the other one. Null entries can be removed with envz_strip (). */
-error_t envz_add __P ((char **__envz, size_t *__envz_len,
- __const char *__name, __const char *__value));
+extern error_t envz_add __P ((char **__envz, size_t *__envz_len,
+ __const char *__name, __const char *__value));
/* Adds each entry in ENVZ2 to ENVZ & ENVZ_LEN, as if with envz_add(). If
OVERRIDE is true, then values in ENVZ2 will supercede those with the same
name in ENV, otherwise not. */
-error_t envz_merge __P ((char **__envz, size_t *__envz_len,
- __const char *__envz2, size_t __envz2_len,
- int __override));
+extern error_t envz_merge __P ((char **__envz, size_t *__envz_len,
+ __const char *__envz2, size_t __envz2_len,
+ int __override));
/* Remove null entries. */
-void envz_strip __P ((char **__envz, size_t *__envz_len));
+extern void envz_strip __P ((char **__envz, size_t *__envz_len));
#endif /* __ENVZ_H__ */