fd_inb
st = fd_inb(virtual_dma_port, FD_STATUS);
*lptr = fd_inb(virtual_dma_port, FD_DATA);
st = fd_inb(virtual_dma_port, FD_STATUS);
sun_fdops.fd_inb = sun_82077_fd_inb;
sun_fdops.fd_inb = sun_82072_fd_inb;
unsigned char (*fd_inb)(int port);
#define fd_inb(base, reg) sun_fdops.fd_inb(reg)
unsigned char (*fd_inb) (unsigned long port, unsigned int reg);
sun_fdops.fd_inb = sun_pci_fd_inb;
#define fd_inb(base, reg) sun_fdops.fd_inb(base, reg)
sun_fdops.fd_inb = sun_82077_fd_inb;
return fd_inb(fdc_state[fdc].address, reg);