__dpmi_simulate_real_mode_procedure_retf

Syntax

#include <dpmi.h> int __dpmi_simulate_real_mode_procedure_retf(__dpmi_regs *_regs);

Description

Please refer to the DPMI Specification (see section DPMI Specification) for details on DPMI function call operation. Also see the DPMI Overview (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.

Return Value

-1 on error, else zero.

Portability

ANSI/ISO C	No
POSIX	No