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-rw-r--r--include/stc/cstr.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/stc/cstr.h b/include/stc/cstr.h
index 71206301..b0fa276f 100644
--- a/include/stc/cstr.h
+++ b/include/stc/cstr.h
@@ -171,8 +171,10 @@ STC_INLINE size_t cstr_capacity(cstr s)
// utf8 methods defined in/depending on src/utf8code.c:
+extern cstr cstr_tofold(const cstr* self);
extern cstr cstr_tolower(const cstr* self);
extern cstr cstr_toupper(const cstr* self);
+extern void cstr_foldcase(cstr* self);
extern void cstr_lowercase(cstr* self);
extern void cstr_uppercase(cstr* self);