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/*
* asm/io.h
*
* Provides acces to x86 I/O functions
*/
#define inb(port) ({ \
unsigned char _val; \
asm volatile ("inb %%dx, %%al" : "=a" (_val) : "d" (port)); \
_val; \
})
#define outb(port, val) \
asm volatile ("outb %%al, %%dx" : : "d" (port), "a" (val));
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