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-rw-r--r--sysdeps/generic/environ.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/generic/environ.c b/sysdeps/generic/environ.c
new file mode 100644
index 0000000..a0ed0d8
--- /dev/null
+++ b/sysdeps/generic/environ.c
@@ -0,0 +1,12 @@
+/* This file just defines the `__environ' variable (and alias `environ'). */
+
+#include <unistd.h>
+#include <stddef.h>
+
+/* This must be initialized; we cannot have a weak alias into bss. */
+char **__environ = NULL;
+weak_alias (__environ, environ)
+
+/* The SVR4 ABI says `_environ' will be the name to use
+ in case the user overrides the weak alias `environ'. */
+weak_alias (__environ, _environ)