#include <dpmi.h> int __dpmi_simulate_real_mode_procedure_retf(__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 = 0x0301
This function switches to real mode with all the registers set
from the structure, including cs:ip. The function called should
return with a retf
. ss:sp and flags must be set to valid
values or zero.
-1 on error, else zero.
not ANSI, not POSIX
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