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-rw-r--r--src/ctype/toascii.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/ctype/toascii.c b/src/ctype/toascii.c
index 10963818..c3728ae1 100644
--- a/src/ctype/toascii.c
+++ b/src/ctype/toascii.c
@@ -8,6 +8,8 @@ int toascii(int c)
return (c & 0x7f);
}
+__check_1(int, 0, toascii, int)
+
/***
converts ARGUMENT(c) to 7-bit ASCII.
***/