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-rw-r--r--stdlib/stdlib.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index 758241ee43..6aad638b39 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -416,6 +416,7 @@ extern void unsetenv __P ((__const char *__name));
/* The `clearenv' was planned to be added to POSIX.1 but probably
never made it. Nevertheless the POSIX.9 standard (POSIX bindings
for Fortran 77) requires this function. */
+extern int __clearenv __P ((void));
extern int clearenv __P ((void));
#endif