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Diffstat (limited to 'src/wctype/towupper.c')
| -rw-r--r-- | src/wctype/towupper.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/wctype/towupper.c b/src/wctype/towupper.c index 41e097a7..2426d689 100644 --- a/src/wctype/towupper.c +++ b/src/wctype/towupper.c @@ -16,6 +16,8 @@ wint_t towupper(wint_t wc) return towctrans(wc, trans); } +__check_1(wint_t, 0, towupper, wint_t) + /*** The fn(towupper) function converts a wide lowercase letter to its equivalent uppercase letter in the current locale. |