MFSH_SYSCTL - Do additional system controls

Purpose   

Perform some actions, like getting the DevHelp entry point. 

Calling Sequence   

int far pascal MFSH_SYSCTL(ulType, void far *ptr)

unsigned long ulType;
void far * ptr;

Where   

ulType specifies the control type. 

ptr is a pointer to a structure the system control returns. 
  

ulType == 1 means getting the DevHelp pointer. It is called like this: 

MFSH_SYSCTL(1, &DevHelp);   

Returns   

If no error is detected, a zero error code is returned. Currently, if 
ulType <> 1, the following error is returned: 

oERROR_INVALID_PARAMETER 

the supplied control type is invalid.