ref: c2d48b328d4c3d0b91d657e89e2da3a97cd1b528
dir: /include/com.h/
#pragma once #include <u.h> void com_init(uint16 port, uint32 baud_rate); void com_putchar(uint16 port, uint8 c); uint8 com_getchar(uint16 port); void com1_putchar(char c); void com1_puts(char* s);