This is part of Win16 API which allow to create versions of program from one source code to run under OS/2 and Win16. Under OS/2 program can be running under Win-OS/2 if program is Windows NE executable, and with help on Windows Libraries for OS/2, if it is OS/2 NE executable. Here is a WLO to OS/2 API mapping draft

OpenDriver

Brief

Opens an installable driver.

Syntax

HDRVR WINAPI OpenDriver(LPCSTR szDriverName, LPCSTR szSectionName, LPARAM lParam);

Parameters

szDriverName

Far pointer to driver name.

szSectionName

Far pointer to section name in SYSTEM.INI.

lParam

Additional parameter.

Return Code

Returns handle to the driver, or NULL if failed.

Notes

Installable drivers provide extended functionality beyond standard Windows API.

C Binding

HDRVR hDriver = OpenDriver("MYDRV", "MyDriverSection", 0);

MASM Binding

push lParam push seg szSectionName ; szSectionName segment push offset szSectionName ; szSectionName offset push seg szDriverName ; szDriverName segment push offset szDriverName ; szDriverName offset call OpenDriver

See also

CLOSEDRIVER, SENDDRIVERMESSAGE