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-rw-r--r--include/unistd.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h
index ef67fafc4..3fb2e7f4b 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -14,6 +14,10 @@
#define STDERR_FILENO 2
+/* NULL-terminated array of "NAME=VALUE" environment variables. */
+extern char **__environ;
+extern char **environ;
+
extern int close __P ((int));
extern size_t read __P ((int __fd, char * __buf, size_t __nbytes));