/ $Header: $ .unixorder / inw (), as per the System V DDI/DKI: / ushort_t inw (int _port); / / The header file <kernel/x86io.h> contains the prototype. / $Log: $ / .text .globl inw port = 4 inw: mov port(%esp), %edx / port sub %eax, %eax / zero-fill inw (%dx) ret