1 files changed, 1 insertions, 0 deletions
diff --git a/sysif.h b/sysif.h
index 08349e5b..98ba91be 100644
--- a/sysif.h
+++ b/sysif.h
@@ -37,6 +37,7 @@ extern val path_s;
 
 val errno_to_file_error(int err);
 val getenv_wrap(val name);
+val errno_to_str(int err);
 val at_exit_call(val func);
 val at_exit_do_not_call(val func);
 val usleep_wrap(val usec);