-static void cread_add_str(char *str, int strsize, int insert,
- unsigned int *num, unsigned int *eol_num,
- char *buf, unsigned int len)
+static void cread_add_str(char *str, int strsize, bool insert,
+ uint_fast8_t *num, uint_fast8_t *eol_num,
+ char *buf, uint_fast8_t len)