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- /* dos.h
-
- Defines structs, unions, macros, and functions for dealing
- with MSDOS and the Intel iAPX86 microprocessor family.
-
- Copyright (c) Borland International 1987,1988,1990,1991
- All Rights Reserved.
- */
- #ifndef __DOS_H
- #define __DOS_H
-
- #ifdef __DLL__
- #define _FAR far
- #else
- #define _FAR
- #endif
-
- #if __STDC__
- #define _Cdecl
- #else
- #define _Cdecl cdecl
- #endif
-
- #ifndef __PAS__
- #define _CType _Cdecl
- #else
- #define _CType pascal
- #endif
-
- #ifndef __DLL__
-
- /* Variables */
- extern int const _Cdecl _8087;
- extern int _Cdecl _argc;
- extern char **_Cdecl _argv;
- extern char **_Cdecl environ;
-
- extern int _Cdecl _doserrno;
-
- extern unsigned _Cdecl _heaplen;
- extern unsigned char _Cdecl _osmajor;
- extern unsigned char _Cdecl _osminor;
- extern unsigned _Cdecl _psp;
- extern unsigned _Cdecl _stklen;
- extern unsigned _Cdecl _fpstklen;
- extern unsigned _Cdecl _version;
-
- #endif /* __DLL__*/
-
-
- #define FA_NORMAL 0x00 /* Normal file, no attributes */
- #define FA_RDONLY 0x01 /* Read only attribute */
- #define FA_HIDDEN 0x02 /* Hidden file */
- #define FA_SYSTEM 0x04 /* System file */
- #define FA_LABEL 0x08 /* Volume label */
- #define FA_DIREC 0x10 /* Directory */
- #define FA_ARCH 0x20 /* Archive */
-
- #define NFDS 20 /* Maximum number of fds */
-
- struct fcb {
- char fcb_drive; /* 0 = default, 1 = A, 2 = B */
- char fcb_name[8]; /* File name */
- char fcb_ext[3]; /* File extension */
- short fcb_curblk; /* Current block number */
- short fcb_recsize; /* Logical record size in bytes */
- long fcb_filsize; /* File size in bytes */
- short fcb_date; /* Date file was last written */
- char fcb_resv[10]; /* Reserved for DOS */
- char fcb_currec; /* Current record in block */
- long fcb_random; /* Random record number */
- };
-
- struct xfcb {
- char xfcb_flag; /* Contains 0xff to indicate xfcb */
- char xfcb_resv[5];/* Reserved for DOS */
- char xfcb_attr; /* Search attribute */
- struct fcb xfcb_fcb; /* The standard fcb */
- };
-
- struct COUNTRY {
- int co_date;
- char co_curr[5];
- char co_thsep[2];
- char co_desep[2];
- char co_dtsep[2];
- char co_tmsep[2];
- char co_currstyle;
- char co_digits;
- char co_time;
- long co_case;
- char co_dasep[2];
- char co_fill[10];
- };
-
- #if defined(__MSC) && !defined(__cplusplus)
- struct DOSERROR {
- int exterror;
- char class;
- char action;
- char locus;
- };
- #else
- struct DOSERROR {
- int de_exterror;
- char de_class;
- char de_action;
- char de_locus;
- };
- #endif /* __MSC and not C++ */
-
- struct dfree {
- unsigned df_avail;
- unsigned df_total;
- unsigned df_bsec;
- unsigned df_sclus;
- };
-
- struct fatinfo {
- char fi_sclus;
- char fi_fatid;
- int fi_nclus;
- int fi_bysec;
- };
-
- struct devhdr {
- long dh_next; /* Next device pointer */
- short dh_attr; /* Attributes */
- unsigned short dh_strat; /* Driver strategy routine */
- unsigned short dh_inter; /* Driver interrupt routine */
- char dh_name[8]; /* Device name */
- };
-
- struct time {
- unsigned char ti_min; /* Minutes */
- unsigned char ti_hour; /* Hours */
- unsigned char ti_hund; /* Hundredths of seconds */
- unsigned char ti_sec; /* Seconds */
- };
-
- struct date {
- int da_year; /* Year - 1980 */
- char da_day; /* Day of the month */
- char da_mon; /* Month (1 = Jan) */
- };
-
- #ifndef _REG_DEFS
- #define _REG_DEFS
-
- struct WORDREGS {
- unsigned int ax, bx, cx, dx, si, di, cflag, flags;
- };
-
- struct BYTEREGS {
- unsigned char al, ah, bl, bh, cl, ch, dl, dh;
- };
-
- union REGS {
- struct WORDREGS x;
- struct BYTEREGS h;
- };
-
- struct SREGS {
- unsigned int es;
- unsigned int cs;
- unsigned int ss;
- unsigned int ds;
- };
-
- struct REGPACK {
- unsigned r_ax, r_bx, r_cx, r_dx;
- unsigned r_bp, r_si, r_di, r_ds, r_es, r_flags;
- };
-
- #endif /* _REG_DEFS */
-
- typedef struct {
- char ds_drive; /* do not change */
- char ds_pattern [13]; /* these fields, */
- char ds_reserved [7]; /* Microsoft reserved */
- char ds_attrib;
- short ds_time;
- short ds_date;
- long ds_size;
- char ds_nameZ [13]; /* result of the search, asciiz */
- } dosSearchInfo; /* used with DOS functions 4E, 4F */
-
-
- #ifdef __MSC
- #ifndef _FFBLK_DEF
- #define _FFBLK_DEF
- struct ffblk {
- char ff_reserved[21];
- char ff_attrib;
- unsigned ff_ftime;
- unsigned ff_fdate;
- long ff_fsize;
- char ff_name[13];
- };
- #endif /* _FFBLK_DEF */
- #endif /* __MSC */
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- #if !defined( _Windows )
- int _Cdecl absread( int __drive, int __nsects, long __lsect,
- void *__buffer );
- int _Cdecl abswrite( int __drive, int __nsects, long __lsect,
- void *__buffer );
- int _Cdecl allocmem( unsigned __size, unsigned _FAR *__segp );
- #endif
-
- int _CType bdos( int __dosfun, unsigned __dosdx, unsigned __dosal );
- int _Cdecl bdosptr( int __dosfun, void _FAR *__argument,
- unsigned __dosal );
- struct COUNTRY _FAR *_Cdecl country( int __xcode, struct COUNTRY _FAR *__cp);
- void _Cdecl ctrlbrk( int _Cdecl( *handler )( void ));
-
- #if !defined( _Windows )
- void _Cdecl delay( unsigned __milliseconds );
- #endif
-
- void _Cdecl disable( void );
- int _Cdecl dosexterr( struct DOSERROR _FAR *__eblkp );
- long _Cdecl dostounix( struct date _FAR *__d, struct time _FAR *__t );
- void __emit__( );
- void _Cdecl enable( void );
-
- #if !defined( _Windows )
- int _Cdecl freemem( unsigned __segx );
- #endif
-
- int _Cdecl getcbrk( void );
- void _CType getdate( struct date _FAR *__datep );
- void _Cdecl getdfree( unsigned char __drive,
- struct dfree _FAR *__dtable );
- void _Cdecl getfat( unsigned char __drive,
- struct fatinfo _FAR *__dtable );
- void _Cdecl getfatd( struct fatinfo _FAR *__dtable );
- unsigned _Cdecl getpsp( void );
- int _Cdecl getswitchar( void );
- void _CType gettime( struct time _FAR *__timep );
- int _Cdecl getverify( void );
-
- #if !defined( _Windows )
- void _Cdecl harderr( int _Cdecl( *handler )( ) );
- void _Cdecl hardresume( int __axret );
- void _Cdecl hardretn( int __retn );
- #endif
-
- int _Cdecl inport( int __portid );
- #ifndef _PORT_DEFS
- unsigned char _Cdecl inportb( int __portid );
- #endif
- int _Cdecl int86( int __intno,
- union REGS _FAR *__inregs,
- union REGS _FAR *__outregs );
- int _Cdecl int86x( int __intno,
- union REGS _FAR *__inregs,
- union REGS _FAR *__outregs,
- struct SREGS _FAR *__segregs );
- int _Cdecl intdos( union REGS _FAR *__inregs,
- union REGS _FAR *__outregs );
- int _Cdecl intdosx( union REGS _FAR *__inregs,
- union REGS _FAR *__outregs,
- struct SREGS _FAR *__segregs );
- void _Cdecl intr( int __intno, struct REGPACK _FAR *__preg );
-
- #if !defined( _Windows )
- void _Cdecl keep( unsigned char __status, unsigned __size );
- void _Cdecl nosound( void );
- #endif
-
- void _Cdecl outport( int __portid, int __value );
- #ifndef _PORT_DEFS
- void _Cdecl outportb( int __portid, unsigned char __value );
- #endif
- char _FAR * _Cdecl parsfnm( const char _FAR *__cmdline,
- struct fcb _FAR *__fcb, int __opt );
- int _Cdecl peek( unsigned __segment, unsigned __offset );
- char _Cdecl peekb( unsigned __segment, unsigned __offset );
- void _Cdecl poke( unsigned __segment, unsigned __offset, int __value);
- void _Cdecl pokeb( unsigned __segment,
- unsigned __offset, char __value );
-
- #if !defined( _Windows )
- int _Cdecl randbrd( struct fcb _FAR *__fcb, int __rcnt );
- int _Cdecl randbwr( struct fcb _FAR *__fcb, int __rcnt );
- #endif
-
- void _Cdecl segread( struct SREGS _FAR *__segp );
-
- #if !defined( _Windows )
- int _Cdecl setblock( unsigned __segx, unsigned __newsize );
- #endif
-
- int _Cdecl setcbrk( int __cbrkvalue );
- void _Cdecl setdate( struct date _FAR *__datep );
- void _Cdecl setswitchar( char __ch );
- void _Cdecl settime( struct time _FAR *__timep );
- void _Cdecl setverify( int __value );
-
- #if !defined( _Windows )
- void _Cdecl sleep( unsigned __seconds );
- void _Cdecl sound( unsigned __frequency );
- #endif
-
- void _Cdecl unixtodos( long __time, struct date _FAR *__d,
- struct time _FAR *__t );
- int _CType unlink( const char _FAR *__path );
-
- /* These are in-line functions. These prototypes just clean up
- some syntax checks and code generation.
- */
-
- void _Cdecl __cli__( void );
- void _Cdecl __sti__( void );
- void _Cdecl __int__( int __interruptnum );
-
- #define disable( ) __emit__( (char )( 0xfa ) )
- #define enable( ) __emit__( (char )( 0xfb ) )
-
- #define geninterrupt( i ) __int__( i ) /* Interrupt instruction */
-
- #ifndef _PORT_DEFS
- #define _PORT_DEFS
-
- unsigned char _Cdecl __inportb__( int __portid );
- unsigned int _Cdecl __inportw__( int __portid );
- void _Cdecl __outportb__( int __portid, unsigned char __value );
- void _Cdecl __outportw__( int __portid, unsigned int __value );
-
- #define inportb __inportb__
- #define inportw __inportw__
- #define outportb __outportb__
- #define outportw __outportw__
-
- /* some other compilers use inp, outp for inportb, outportb */
- #define inp( portid ) inportb( portid )
- #define outp( portid,v ) outportb( portid,v )
- #define inpw( portid ) inportw( portid )
- #define outpw( portid,v ) outportw( portid,v )
-
- #endif /* _PORT_DEFS */
-
- #if !__STDC__
-
- extern unsigned _Cdecl _ovrbuffer;
- int cdecl far _OvrInitEms( unsigned __emsHandle, unsigned __emsFirst,
- unsigned __emsPages );
- int cdecl far _OvrInitExt( unsigned long __extStart,
- unsigned long __extLength );
-
- char far *cdecl getdta( void );
- void cdecl setdta( char far *__dta );
-
- #define MK_FP( seg,ofs )( (void _seg * )( seg ) +( void near * )( ofs ))
- #define FP_SEG( fp )( (unsigned )( void _seg * )( void far * )( fp ))
- #define FP_OFF( fp )( (unsigned )( fp ))
-
- #ifdef __cplusplus
- void interrupt( far * _CType getvect( int __interruptno ))( ... );
- void _CType setvect( int __interruptno,
- void interrupt( far *__isr )( ... ));
- int inline _Cdecl peek( unsigned __segment, unsigned __offset )
- { return( *( (int far* )MK_FP( __segment, __offset )) ); }
- char inline _Cdecl peekb( unsigned __segment, unsigned __offset )
- { return( *( (char far* )MK_FP( __segment, __offset )) ); }
- void inline _Cdecl poke( unsigned __segment, unsigned __offset, int __value )
- {( *( (int far* )MK_FP( __segment, __offset )) = __value ); }
- void inline _Cdecl pokeb( unsigned __segment, unsigned __offset, char __value )
- {( *( (char far* )MK_FP( __segment, __offset )) = __value ); }
- #else
- void interrupt( far * _CType getvect( int __interruptno ))( );
- void _CType setvect( int __interruptno,
- void interrupt( far *__isr )( ) );
- #define peek( a,b )( *( (int far* )MK_FP( (a ),( b )) ))
- #define peekb( a,b )( *( (char far* )MK_FP( (a ),( b )) ))
- #define poke( a,b,c )( *( (int far* )MK_FP( (a ),( b )) ) =( int )( c ))
- #define pokeb( a,b,c )( *( (char far* )MK_FP( (a ),( b )) ) =( char )( c ))
- #endif
-
- #endif
-
- #ifdef __MSC
-
- /* Prototypes needed for MSC _dos_??? macros */
- int _CType findfirst( const char _FAR *__path,
- struct ffblk _FAR *__ffblk,
- int __attrib );
- int _CType findnext( struct ffblk _FAR *__ffblk );
-
- #endif /* __MSC */
-
- #ifdef __cplusplus
- }
- #endif
-
- #ifdef __MSC
-
- /* File attributes */
-
- #define _A_NORMAL 0x00 /* Normal file, no attributes */
- #define _A_RDONLY 0x01 /* Read only attribute */
- #define _A_HIDDEN 0x02 /* Hidden file */
- #define _A_SYSTEM 0x04 /* System file */
- #define _A_VOLID 0x08 /* Volume label */
- #define _A_SUBDIR 0x10 /* Directory */
- #define _A_ARCH 0x20 /* Archive */
-
- /* Structures */
-
- struct find_t {
- char reserved[21]; /* Microsoft reserved - do not change */
- char attrib; /* attribute byte for matched file */
- unsigned wr_time; /* time of last write to file */
- unsigned wr_date; /* date of last write to file */
- long size; /* size of file */
- char name[13]; /* asciiz name of matched file */
- };
-
- /* Variables */
-
- #define _osversion _version
-
- /* Macros for MSC functions */
-
- #define _disable() disable()
- #define _dos_findfirst(path,attrib,fileinfo) \
- (unsigned)findfirst(path,(struct ffblk _FAR *)fileinfo,attrib)
- #define _dos_findnext(fileinfo) (unsigned)findnext((struct ffblk *)fileinfo)
- #define _enable() enable()
- #endif /* __MSC */
-
- #endif
-