/* Copyright (c) 1992-1993 SAS Institute, Inc., Cary, NC USA */ /* All Rights Reserved */ #ifndef _DOS_H #define _DOS_H 1 #ifndef EXEC_TYPES_H #include #endif #ifndef EXEC_PORTS_H #include #endif #ifndef EXEC_LISTS_H #include #endif #ifndef LIBRARIES_DOS_H #include #endif #ifndef LIBRARIES_DOSEXTENS_H #include #endif #ifndef _COMMSIZE_H #include #endif /*** * * The following type definitions take care of the particularly nasty * machine dependency caused by the unspecified handling of sign extension * in the C language. When converting "char" to "int" some compilers * will extend the sign, while others will not. Both are correct, and * the unsuspecting programmer is the loser. For situations where it * matters, the new type "byte" is equivalent to "unsigned char". * ***/ typedef unsigned char byte; /*** * * Miscellaneous definitions * ***/ #define SECSIZ 512 /* disk sector size */ /*** * * The following symbols define the sizes of file names and node names. * ***/ #define FNSIZE 108 /* maximum file node size - DOS limit */ #define FMSIZE 256 /* maximum file name size - DOS limit */ #define FESIZE 32 /* maximum file extension size - arbitrary */ /*** * * The following structure appears at the beginning (low address) of * each free memory block. * ***/ struct MELT { struct MELT *fwd; /* points to next free block */ long size; /* number of MELTs in this block */ }; #define MELTSIZE sizeof(struct MELT) /*** * * The following structure is used to keep track of currently allocated * system memory * ***/ struct MELT2 { struct MELT2 *fwd; /* points to next block */ struct MELT2 *bwd; /* points to previous block */ unsigned long size; /* size of this block */ }; #define MELT2SIZE sizeof(struct MELT2) /*** * * The following structures are used with the AmigaDOS fork() and wait() * functions * ***/ struct ProcID { /* packet returned from fork() */ struct ProcID *nextID; /* link to next packet */ struct Message *process; /* startup message to child */ int UserPortFlag; struct MsgPort *parent; /* termination msg destination */ struct MsgPort *child; /* child process' task msg port */ BPTR seglist; /* child process' segment list */ }; struct FORKENV { long priority; /* new process priority */ long stack; /* stack size for new process */ BPTR std_in; /* stdin for new process */ BPTR std_out; /* stdout for new process */ BPTR console; /* console window for new process */ struct MsgPort *msgport; /* msg port to receive termination */ }; /* message from child */ struct TermMsg { /* termination message from child */ struct Message msg; long _class; /* class == 0 */ short type; /* message type == 0 */ struct Process *process; /* process ID of sending task */ long ret; /* return value */ }; extern int forkl(char *, char *, ...); extern int forkv(char *, char **, struct FORKENV *, struct ProcID *); extern int wait(struct ProcID *); extern struct ProcID *waitm(struct ProcID **); /*** * * Level 0 I/O services * ***/ extern int dfind(struct FileInfoBlock *, const char *, int); extern int dnext(struct FileInfoBlock *); extern int _dclose(long); extern long _dcreat(const char *, int); extern long _dcreatx(const char *, int); extern long _dopen(const char *, int); extern unsigned int _dread(long, char *, unsigned int); extern long _dseek(long, long, int); extern unsigned int _dwrite(long, char *, unsigned int); extern int getcd(int, char *); extern int chdir(const char *); extern char *getcwd(char *, int); extern int mkdir(const char *); extern int rmdir(const char *); extern int getfnl(const char *, char *, size_t, int); extern int getdfs(const char *, struct InfoData *); extern int getfa(const char *); extern long getft(const char *); extern int getpath(BPTR, char *); extern BPTR findpath(const char *); /*** * * External definitions used by the startup code * ***/ extern long _BackGroundIO; /* Declare and init to 1 to get stdout */ /* in a cback program */ extern BPTR _Backstdout; /* Points to stdout in a cback program */ /* If _BackGroundIO was set. You are */ /* responsible for closing this! */ extern long __priority; /* Default priority of cback programs */ extern char *__procname; /* Default process name for cback progs*/ #ifdef _M68881 extern char __near __stdiowin[]; /* stdio window specification */ #else extern char __stdiowin[]; /* stdio window specification */ #endif extern char __stdiov37[]; /* Modifiers for stdio window, V37+ */ extern long __oslibversion; /* Minimum OS version for autoopen libs */ extern long __stack; /* Minimum stack size for program */ extern long __STKNEED; /* Minimum stack size for function */ #ifndef _COMMWBEN_H #include #endif /*** * * Miscellaneous external definitions * ***/ extern int datecmp(const struct DateStamp *, const struct DateStamp *); extern int chgclk(const unsigned char *); extern void getclk(unsigned char *); extern int onbreak(int (*)(void)); extern int poserr(const char *); /* Note: If you attempt to replace the library version of */ /* __chkabort(), you must declare your version with the */ /* __regargs keyword in order to match these prototypes. */ extern void __regargs __chkabort(void); extern void chkabort(void); extern void Chk_Abort(void); struct DeviceList *getasn(const char *); extern unsigned long stacksize(void); extern unsigned long stackused(void); extern unsigned long stackavail(void); #define geta4 __builtin_geta4 extern void geta4(void); #define getreg __builtin_getreg extern long getreg(int); #define putreg __builtin_putreg extern void putreg(int, long); #define __emit __builtin_emit extern void __emit(int); #define REG_D0 0 #define REG_D1 1 #define REG_D2 2 #define REG_D3 3 #define REG_D4 4 #define REG_D5 5 #define REG_D6 6 #define REG_D7 7 #define REG_A0 8 #define REG_A1 9 #define REG_A2 10 #define REG_A3 11 #define REG_A4 12 #define REG_A5 13 #define REG_A6 14 #define REG_A7 15 #define REG_FP0 16 #define REG_FP1 17 #define REG_FP2 18 #define REG_FP3 19 #define REG_FP4 20 #define REG_FP5 21 #define REG_FP6 22 #define REG_FP7 23 #endif