return ao_stdios[ao_cur_stdio].echo;
}
-void
+int8_t
ao_add_stdio(char (*pollchar)(void),
void (*putchar)(char),
void (*flush)(void)) __reentrant
ao_stdios[ao_num_stdios].putchar = putchar;
ao_stdios[ao_num_stdios].flush = flush;
ao_stdios[ao_num_stdios].echo = 1;
- ao_num_stdios++;
+ return ao_num_stdios++;
}