1 files changed, 3 insertions, 3 deletions
diff --git a/lib.h b/lib.h
index 47f33e1a..a11888cc 100644
--- a/lib.h
+++ b/lib.h
@@ -222,9 +222,9 @@ obj_t *none_satisfy(obj_t *list, obj_t *pred, obj_t *key);
 long c_num(obj_t *num);
 obj_t *nump(obj_t *num);
 obj_t *equal(obj_t *left, obj_t *right);
-void *chk_malloc(size_t size);
-void *chk_realloc(void*, size_t size);
-void *chk_strdup(const wchar_t *str);
+char *chk_malloc(size_t size);
+char *chk_realloc(void *, size_t size);
+wchar_t *chk_strdup(const wchar_t *str);
 obj_t *cons(obj_t *car, obj_t *cdr);
 obj_t *list(obj_t *first, ...); /* terminated by nao */
 obj_t *consp(obj_t *obj);