178 lines
4.4 KiB
C
178 lines
4.4 KiB
C
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#pragma option push -b -a8 -pc -A- /*P_O_Push*/
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/****************************** Module Header ******************************\
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*
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* Module Name: SNADOS.H
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*
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* Description: Microsoft SNA Server MSDOS specific 3270 Emulator Interface
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* definitions.
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*
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* Copyright (c) 1994, Microsoft Corporation. All rights reserved.
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*
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\***************************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Common definitions */
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#define PASCAL pascal
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#define FAR far
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#define NEAR near
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#define VOID void
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#define APIENTRY far pascal
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#ifndef WINAPI
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#define WINAPI APIENTRY
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#endif
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#define CHAR char /* ch */
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#define SHORT short /* s */
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#define LONG long /* l */
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#define INT int /* i */
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typedef unsigned char UCHAR; /* uch */
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typedef unsigned short USHORT; /* us */
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typedef unsigned long ULONG; /* ul */
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typedef unsigned int UINT; /* ui */
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typedef unsigned char BYTE; /* b */
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typedef unsigned short SHANDLE;
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/* define NULL pointer value */
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/* Echo the format of the ifdefs that stdio.h uses */
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#if (_MSC_VER >= 600)
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#define NULL ((void *)0)
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#else
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#if (defined(M_I86L) || defined(M_I86CM) || defined(M_I86LM) || defined(M_I86HM))
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#define NULL 0L
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#else
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#define NULL 0
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#endif
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#endif
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typedef SHANDLE HFILE; /* hf */
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typedef HFILE far *PHFILE;
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typedef unsigned char far *PSZ;
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typedef unsigned char near *NPSZ;
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typedef char far *LPSTR;
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typedef unsigned char far *PCH;
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typedef unsigned char near *NPCH;
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typedef int (pascal far *PFN)();
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typedef int (pascal near *NPFN)();
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typedef PFN far *PPFN;
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typedef BYTE FAR *PBYTE;
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typedef BYTE near *NPBYTE;
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typedef CHAR FAR *PCHAR;
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typedef SHORT FAR *PSHORT;
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typedef LONG FAR *PLONG;
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typedef INT FAR *PINT;
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typedef UCHAR FAR *PUCHAR;
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typedef USHORT FAR *PUSHORT;
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typedef ULONG FAR *PULONG;
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typedef UINT FAR *PUINT;
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typedef VOID FAR *PVOID;
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typedef unsigned short BOOL; /* f */
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typedef BOOL FAR *PBOOL;
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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typedef unsigned short SEL; /* sel */
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typedef SEL FAR *PSEL;
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/*** Useful Helper Macros */
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/* Create untyped far pointer from selector and offset */
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#define MAKEP(sel, off) ((PVOID)MAKEULONG(off, sel))
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/* Extract selector or offset from far pointer */
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#define SELECTOROF(p) (((PUSHORT)&(p))[1])
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#define OFFSETOF(p) (((PUSHORT)&(p))[0])
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/* Cast any variable to an instance of the specified type. */
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#define MAKETYPE(v, type) (*((type far *)&v))
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/* Calculate the byte offset of a field in a structure of type type. */
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#define FIELDOFFSET(type, field) ((SHORT)&(((type *)0)->field))
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/* Combine l & h to form a 32 bit quantity. */
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#define MAKEULONG(l, h) ((ULONG)(((USHORT)(l)) | ((ULONG)((USHORT)(h))) << 16))
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#define MAKELONG(l, h) ((LONG)MAKEULONG(l, h))
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/* Combine l & h to form a 16 bit quantity. */
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#define MAKEUSHORT(l, h) (((USHORT)(l)) | ((USHORT)(h)) << 8)
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#define MAKESHORT(l, h) ((SHORT)MAKEUSHORT(l, h))
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/* Extract high and low order parts of 16 and 32 bit quantity */
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#define LOBYTE(w) LOUCHAR(w)
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#define HIBYTE(w) HIUCHAR(w)
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#define LOUCHAR(w) ((UCHAR)(USHORT)(w))
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#define HIUCHAR(w) ((UCHAR)(((USHORT)(w) >> 8) & 0xff))
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#define LOUSHORT(l) ((USHORT)(ULONG)(l))
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#define HIUSHORT(l) ((USHORT)(((ULONG)(l) >> 16) & 0xffff))
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#define SWAPUSHORT(x) (x=(((x<<8)&0xFF00)|((x>>8)&0x00FF)))
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/*** Common DOS types */
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typedef USHORT HMODULE; /* hmod */
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typedef HMODULE FAR *PHMODULE;
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typedef USHORT PID; /* pid */
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typedef PID FAR *PPID;
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typedef USHORT TID; /* tid */
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typedef TID FAR *PTID;
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typedef VOID FAR *HSEM; /* hsem */
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typedef HSEM FAR *PHSEM;
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/**** DOS FMI Error codes */
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#define ERROR_SEM_TIMEOUT 0xfffc /* Time out happened from the */
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/* semaphore api functions. */
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#define ERROR_SEM_OWNED 0xfffd /* Semaphore is already owned */
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/**** DOS FMI Semaphore functions */
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extern USHORT APIENTRY CMDSemClear(HSEM);
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extern USHORT APIENTRY CMDSemRequest(HSEM, USHORT);
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extern USHORT APIENTRY CMDSemSet(HSEM);
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extern USHORT APIENTRY CMDSemWait(HSEM, USHORT);
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/*** DOS FMI TSR functions */
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extern USHORT APIENTRY CMDGoTSR(ULONG, UCHAR FAR *, UCHAR FAR *);
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extern USHORT APIENTRY CMDStartFG(void);
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extern USHORT APIENTRY CMDStopFG(USHORT);
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/*** DOS FMI Task switching functions */
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extern USHORT APIENTRY RegisterSwitchProc(ULONG);
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/*** Other DOS FMI functions */
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extern USHORT APIENTRY SNAGetVersion(VOID);
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#ifdef __cplusplus
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}
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#endif
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#pragma option pop /*P_O_Pop*/
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