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DOS.H
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C/C++ Source or Header
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1992-11-18
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1KB
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70 lines
/* dos.h (emx+gcc) */
#if !defined (_DOS_H)
#define _DOS_H
#if defined (__cplusplus)
extern "C" {
#endif
#if !defined (_REGS)
#define _REGS
struct _dwordregs
{
unsigned int eax;
unsigned int ebx;
unsigned int ecx;
unsigned int edx;
unsigned int esi;
unsigned int edi;
unsigned int eflags;
};
struct _wordregs
{
unsigned short ax, h_ax;
unsigned short bx, h_bx;
unsigned short cx, h_cx;
unsigned short dx, h_dx;
unsigned short si, h_si;
unsigned short di, h_di;
unsigned short flags, h_flags;
};
struct _byteregs
{
unsigned char al, ah, h_al, h_ah;
unsigned char bl, bh, h_bl, h_bh;
unsigned char cl, ch, h_cl, h_ch;
unsigned char dl, dh, h_dl, h_dh;
};
union REGS
{
struct _dwordregs e;
struct _wordregs x;
struct _byteregs h;
};
struct SREGS
{
unsigned int cs;
unsigned int ds;
unsigned int es;
unsigned int fs;
unsigned int gs;
unsigned int ss;
};
#endif
int _int86 (int int_num, union REGS *inp_regs, union REGS *out_regs);
void _segread (struct SREGS *seg_regs);
#if defined (__cplusplus)
}
#endif
#endif /* !defined (_DOS_H) */