DOS/32 Advanced DOS Extender - D32A C/C++ Run-Time Library Reference



2.03 - DOS/32 Advanced D32A Library function - d32a_detect_system_software()

Synopsys:

#include <d32a.h>
int d32a_detect_system_software(void);


Description:

Finds out the type of the present System Software, either Clean (also known as "Raw" or INT 15h), XMS, VCPI or DPMI.


Returns:

When successful, this function returns the type of the System Software as defined below:
D32A_SYSTEM_CLEAN 0
D32A_SYSTEM_XMS 1
D32A_SYSTEM_VCPI 2
D32A_SYSTEM_DPMI 3
D32A_SYSTEM_UNKNOWN -1
If failed (when not running under DOS/32 Advanced DOS Extender, and the type of the System Software cannot be determined) this function will return -1.

 


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