Function CTL_CODE [src]

https://docs.microsoft.com/en-us/windows-hardware/drivers/kernel/defining-i-o-control-codes

Prototype

pub fn CTL_CODE(deviceType: u16, function: u12, method: TransferType, access: u2) DWORD

Parameters

deviceType: u16function: u12method: TransferTypeaccess: u2

Source

  pub fn CTL_CODE(deviceType: u16, function: u12, method: TransferType, access: u2) DWORD {
    return (@as(DWORD, deviceType) << 16) |
        (@as(DWORD, access) << 14) |
        (@as(DWORD, function) << 2) |
        @intFromEnum(method);
}  