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-rw-r--r--stdlib/setenv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/stdlib/setenv.c b/stdlib/setenv.c
index fdcd8e1d08..63c995b0da 100644
--- a/stdlib/setenv.c
+++ b/stdlib/setenv.c
@@ -349,7 +349,7 @@ unsetenv (name)
    never made it.  Nevertheless the POSIX.9 standard (POSIX bindings
    for Fortran 77) requires this function.  */
 int
-clearenv ()
+clearenv (void)
 {
   LOCK;