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DOSHK.H
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C/C++ Source or Header
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1989-06-20
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/* TCHK 2.1 - Howard Kapustein's Turbo C library 6-6-89 */
/* Copyright (C) 1988,1989 Howard Kapustein. All rights reserved. */
/* doshk.h - header file for DOSHK.C - DOS routines */
#ifndef DOSHK_HEADER
#define DOSHK_HEADER 1
#include <howard.h>
typedef struct BIOSParmBlock { /* BIOS Parameter Block */
unsigned int BytesPerSector; /* bytes per sector */
byte SectorsPerAllocUnit; /* sectors per cluster */
unsigned int ReservedSectors; /* reserved sectors (for boot record) */
byte numberFATs; /* number of FAT copies */
unsigned int numberRootDirEntries; /* number of root directory entries */
unsigned int TotalSectors; /* total number of sectors */
byte MediaDescriptor; /* media desriptor byte */
unsigned int SectorsPerFAT; /* sectors per FAT */
};
typedef struct BootBlock { /* Boot Block */
byte JumpInstr[3];
byte OEMinfo[8];
struct BIOSParmBlock BPB;
unsigned int SectorsPerTrack; /* sectors per track */
unsigned int numberHeads; /* number of heads (sides) */
unsigned int numberHiddenSectors; /* number of hidden sectors */
};
typedef struct BootBlock4 { /* Boot Block (DOS 4.x) */
byte JumpInstr[3];
byte OEMinfo[8];
struct BIOSParmBlock BPB;
unsigned int SectorsPerTrack; /* sectors per track */
unsigned int numberHeads; /* number of heads (sides) */
unsigned long numberHiddenSectors; /* number of hidden sectors */
unsigned long TotalnumberSectors; /* total number of sectors */
byte Physicaldrive; /* physical drive number */
byte reserved1[1]; /* (reserved - 1 byte) */
byte Signaturebyte; /* signature byte (shoud be 0x29) */
unsigned long VolumeSerialNumber; /* volume serial number */
char VolumeLabel[11]; /* volume label */
byte reserved2[8]; /* (reserved - 8 bytes) */
};
/* Format prototypes */
boolean getBPB(int drive, struct BIOSParmBlock *BPB); /* get BIOS Parameter Block (A=0, B=1,...) */
boolean getBootBlock(int drive, struct BootBlock *BB); /* get Boot Block */
boolean getBootBlock4(int drive, struct BootBlock4 *BB4);/* get Boot Block (DOS 4.x) */
boolean getVolSerialNum(int drive, unsigned long *serialnum); /* get volume serial number (DOS 4.x) */
/* Memory prototypes */
int memory_strategy(boolean read, int *strategy); /* get/set mem alloc strategy */
boolean isXMSinstalled(void); /* is XMS installed */
/* Software prototypes */
boolean isAssignavail(void); /* is ASSIGN installed */
unsigned getAssignmemseg(void); /* get segment of ASSIGN work area */
boolean isAppendavail(void); /* is APPEND installed */
boolean isVidclock(void); /* is VIDCLOCK.COM installed */
boolean isScrnSav2(void); /* is SCRNSAV2.COM installed */
boolean isAutoPark(void); /* is AUTOPARK.COM installed */
void setAutoPark(unsigned long count); /* set parking delay, count * 55ms timer ticks */
int isShareavail(void); /* is SHARE installed */
boolean isCEDavail(void); /* is CED installed */
boolean CEDremove(char *command); /* delete/remove installable command */
boolean CEDadd(char *command, unsigned char mode, unsigned segment, unsigned offset); /* add CED installable command */
boolean ispcAnywhere(void); /* is pcAnywhere installed */
void SetpcAnywhere(boolean enabled); /* Enable/Disable pcAnywhere */
unsigned char isDriverSys(void); /* is Driver.Sys installed */
unsigned char isNLSFuncCom(void); /* is NLSFUNC.COM installed */
boolean isWhoa(void); /* is WHOA!.COM installed */
boolean uninstallWhoa(void); /* uninstall WHOA!.COM */
boolean setWhoa(unsigned int delaycount); /* set delay count for WHOA!.COM */
boolean isAnarkey(void); /* is ANARKEY.COM installed */
/* Device prototypes */
int isremovable(char drive); /* is device fixed */
int iscdevicemoderaw(int handle); /* is character device in "raw"/binary or "cooked" mode */
int setcdevicemode(int handle, boolean setraw); /* set character device to "raw"/binary mode ? */
int ishandlelocal(int handle); /* is handle local (MSNetwork) or remote (redirected to server) */
int isdrivelocal(int drive); /* is drive local (MSNetwork) or remote (redirected to server) */
boolean isRedirectStdin(void); /* is stdin redirected */
boolean isRedirectStdout(void); /* is stdout redirected */
/* DOS prototypes */
boolean commit(int handle); /* flush disk buffer for a handle */
char *resolvepath(char *str, char *buffer); /* resolve a path to a fully qualified path (DOS 3.x) */
/* DOS date/time stamp macros */
#define doshour(h) ((h & 0xF800) >> 11)
#define dosmin(m) ((m & 0x07E0) >> 5)
#define dossec(s) (s & 0x001F)
#define todostime(h,m,s) (((h << 11) & 0xF800) | ((m << 5) & 0x07E0) | (s & 0x001F))
#define dosyear(y) ((y & 0xFE00) >> 9)
#define dosmonth(m) ((m & 0x01E0) >> 5)
#define dosday(d) (d & 0x001F)
#define todosdate(y,m,d) (((y << 9) & 0xFE00) | ((m << 5) & 0x01E0) | (d & 0x001F))
#endif /* DOSHK_HEADER */