#include <dpmi.h> int __dpmi_simulate_real_mode_procedure_iret(__dpmi_regs *_regs);
Please refer to section DPMI Specification for details on DPMI function call operation. Also see section DPMI Overview for general information.
DPMI function AX = 0x0302
This function switches to real mode, filling in all the
registers from the structure. ss:sp and flags must be valid or zero.
The called function must return with an iret
.
-1 on error, else zero.
not ANSI, not POSIX
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