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/* return the system variables in sysVars */
#include "sysvar.h"
#include <dos.h>
#include "jointype.h"
GetVars(pSVars)
struct sysVarsType *pSVars ;
{
struct sysVarsType far *vptr ;
int i ;
union REGS ir ;
register union REGS *iregs = &ir ; /* Used for DOS calls */
struct SREGS syssegs ;
iregs->h.ah = GETVARS ; /* Function 0x52 */
intdosx(iregs, iregs, &syssegs) ;
*(long *)(&vptr) = (((long)syssegs.es) << 16)+(iregs->x.bx & 0xffffL) ;
for (i=0 ; i <= sizeof(*pSVars) ; i++)
*((char *)pSVars+i) = *((char far *)vptr+i) ;
}
PutVars(pSVars)
struct sysVarsType *pSVars ;
{
struct sysVarsType far *vptr ;
int i ;
union REGS ir ;
register union REGS *iregs = &ir ; /* Used for DOS calls */
struct SREGS syssegs ;
iregs->h.ah = GETVARS ; /* Function 0x52 */
intdosx(iregs, iregs, &syssegs) ;
*(long *)(&vptr) = (((long)syssegs.es) << 16)+(iregs->x.bx & 0xffffL) ;
for (i=0 ; i <= sizeof(*pSVars) ; i++)
*((char far *)vptr+i) = *((char *)pSVars+i) ;
}
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