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Diffstat (limited to 'include/u8c/isalpha.h')
-rw-r--r--include/u8c/isalpha.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/u8c/isalpha.h b/include/u8c/isalpha.h
index 1065414..3493dc0 100644
--- a/include/u8c/isalpha.h
+++ b/include/u8c/isalpha.h
@@ -20,7 +20,7 @@
# if defined(__cplusplus)
extern "C" {
# endif
-extern uint_least8_t u8c_isalpha(uint_least8_t * const res,uint_least32_t chr);
+extern uint_least8_t u8c_isalpha(uint_least8_t * const res,uint_least32_t const chr);
# if defined(__cplusplus)
}
# endif