📄 myport.h
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#define PORTTALK_TYPE 40001
#define IOCTL_READ_PORT_UCHAR \
CTL_CODE(PORTTALK_TYPE, 0x904, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_WRITE_PORT_UCHAR \
CTL_CODE(PORTTALK_TYPE, 0x905, METHOD_BUFFERED, FILE_ANY_ACCESS)
//#define IOCTL_GETINTCODE_PORT_UCHAR \
// CTL_CODE(PORTTALK_TYPE, 0x906, METHOD_BUFFERED, FILE_ANY_ACCESS)
unsigned char OpenPortTalk(void);
void ClosePortTalk(void);
void outportb(unsigned short PortAddress, unsigned char byte);
unsigned char inportb(unsigned short PortAddress);
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