// internal _putchar wrapper\r
static inline void _out_char(char character, void* buffer, size_t idx, size_t maxlen)\r
{\r
(void)buffer; (void)idx; (void)maxlen;\r
if (character) {\r
// internal _putchar wrapper\r
static inline void _out_char(char character, void* buffer, size_t idx, size_t maxlen)\r
{\r
(void)buffer; (void)idx; (void)maxlen;\r
if (character) {\r