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#include <stdint.h>

extern uint8_t inb(uint16_t port);
extern void outb(uint16_t port, uint8_t val);
extern uint16_t inw(uint16_t port);
extern void outw(uint16_t port, uint16_t val);
extern uint32_t inl(uint16_t port);
extern void outl(uint16_t port, uint32_t val);
extern void io_wait(void);
extern void int_enable(void);
extern void int_disable(void);
extern void int_wait(void);
extern void halt(void);