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#ifndef _DOS_H_
#define _DOS_H_
#include "pc.h"
union REGS {
struct {
unsigned long ax;
unsigned long bx;
unsigned long cx;
unsigned long dx;
unsigned long si;
unsigned long di;
unsigned long cflag;
unsigned long flags;
} x;
struct {
unsigned char al;
unsigned char ah;
unsigned short upper_ax;
unsigned char bl;
unsigned char bh;
unsigned short upper_bx;
unsigned char cl;
unsigned char ch;
unsigned short upper_cx;
unsigned char dl;
unsigned char dh;
unsigned short upper_dx;
} h;
};
struct SREGS {
unsigned short cs;
unsigned short ds;
unsigned short es;
unsigned short fs;
unsigned short gs;
unsigned short ss;
};
struct ftime {
unsigned ft_tsec:5; /* 0-29, double to get real seconds */
unsigned ft_min:6; /* 0-59 */
unsigned ft_hour:5; /* 0-23 */
unsigned ft_day:5; /* 1-31 */
unsigned ft_month:4; /* 1-12 */
unsigned ft_year:7; /* since 1980 */
};
struct date {
short da_year;
char da_day;
char da_mon;
};
struct time {
unsigned char ti_min;
unsigned char ti_hour;
unsigned char ti_hund;
unsigned char ti_sec;
};
struct dfree {
unsigned df_avail;
unsigned df_total;
unsigned df_bsec;
unsigned df_sclus;
};
#ifdef __cplusplus
extern "C" {
#endif
int bdos(int func, unsigned dx, unsigned al);
int bdosptr(int func, void *dx, unsigned al);
int int86(int ivec, union REGS *in, union REGS *out);
int int86x(int ivec, union REGS *in, union REGS *out, struct SREGS *seg);
int intdos(union REGS *in, union REGS *out);
int intdosx(union REGS *in, union REGS *out, struct SREGS *seg);
int enable(void);
int disable(void);
int getftime(int handle, struct ftime *ftimep);
int setftime(int handle, struct ftime *ftimep);
int getcbrk(void);
int setcbrk(int new_value);
void getdate(struct date *);
void gettime(struct time *);
void setdate(struct date *);
void settime(struct time *);
void getdfree(unsigned char drive, struct dfree *ptr);
void delay(unsigned msec);
int _get_default_drive(void);
void _fixpath(const char *, char *);
#ifdef __cplusplus
}
#endif
#endif
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