::windows_sys::core::link ! ( "msports.dll""system" #[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"] fn ComDBClaimNextFreePort ( hcomdb : HCOMDB , comnumber : *mut u32 ) -> i32 );
#[cfg(feature = "Win32_Foundation")]
::windows_sys::core::link ! ( "msports.dll""system" #[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`, `\"Win32_Foundation\"`*"] fn ComDBClaimPort ( hcomdb : HCOMDB , comnumber : u32 , forceclaim : super::super::Foundation:: BOOL , forced : *mut super::super::Foundation:: BOOL ) -> i32 );
::windows_sys::core::link ! ( "msports.dll""system" #[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"] fn ComDBClose ( hcomdb : HCOMDB ) -> i32 );
::windows_sys::core::link ! ( "msports.dll""system" #[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"] fn ComDBGetCurrentPortUsage ( hcomdb : HCOMDB , buffer : *mut u8 , buffersize : u32 , reporttype : u32 , maxportsreported : *mut u32 ) -> i32 );
::windows_sys::core::link ! ( "msports.dll""system" #[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"] fn ComDBOpen ( phcomdb : *mut isize ) -> i32 );
::windows_sys::core::link ! ( "msports.dll""system" #[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"] fn ComDBReleasePort ( hcomdb : HCOMDB , comnumber : u32 ) -> i32 );
::windows_sys::core::link ! ( "msports.dll""system" #[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"] fn ComDBResizeDatabase ( hcomdb : HCOMDB , newsize : u32 ) -> i32 );
#[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"]
pub const CDB_REPORT_BITS: u32 = 0u32;
#[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"]
pub const CDB_REPORT_BYTES: u32 = 1u32;
#[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"]
pub const COMDB_MAX_PORTS_ARBITRATED: u32 = 4096u32;
#[doc = "*Required features: `\"Win32_Devices_SerialCommunication\"`*"]
pub const COMDB_MIN_PORTS_ARBITRATED: u32 = 256u32;
pub type HCOMDB = isize;