extended assembly

hi! everyone, i have a rare problems here, i dont know if i do somethign 
wrong or the compiler have some problems, when i read a value from a port(a 
byte) the first time it's retun to me a byte so i catch and use printf to 
show this value, the secon time its return to me a integer value or a dont 
know, let me give you a example:

char value=0;
__asm__ __volalile__("cli;inb $0x60,%0;sti;":"=r"(value));
printf("%x",value);// the first time usually return 1c
// this is the second time
__asm__ __volalile__("cli;inb $0x60,%0;sti;":"=r"(value));
printf("%x",value);// this print in teh screen ffffffa ainteger value

i'm expecting a ACK response for the keyboard ACK is in the ffffffa the 
first byte buti cant never know ir caouse when i ask for ack it inst ack in 
ffffffa and it is bigger than a byte why iot happend??????????????????''

Take Care Folks.

Martin Flores

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