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-rw-r--r--src/ctype.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/ctype.c b/src/ctype.c
index 2c8fe83..3923def 100644
--- a/src/ctype.c
+++ b/src/ctype.c
@@ -268,6 +268,12 @@ int _toupper(int c)
+/**
+ * Create a variant, with specifiable locale,
+ * of one of the functions.
+ *
+ * @param The name of the function without the `_l`-suffix.
+ */
#define CTYPE_LOCALE(F) \
int F##_l(int c, locale_t locale) \
{ \