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253 lines
7.1 KiB
253 lines
7.1 KiB
/*****************************************************************************
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* *
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* BUGOUT.C *
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* *
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* Copyright (C) Microsoft Corporation 1991 - 1994. *
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* All Rights reserved. *
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* *
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******************************************************************************
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* *
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* Module Description: DEBUGGING OUPUT ROUTINES FOR ORKIN DEBUGGING LIBRARY *
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* *
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******************************************************************************
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* *
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* Previous Owner: DavidJes *
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* Current Owner: RHobbs *
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* *
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*****************************************************************************/
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static char * s_aszModule = __FILE__; /* For error report */
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#include <mvopsys.h>
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#include <orkin.h>
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#include <stdarg.h>
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//
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// the following was ripped off from the \\looney\brothers skelapp2 project:
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//
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#define SEEK_SET 0 // seek relative to start of file
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#define SEEK_CUR 1 // seek relative to current position
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#define SEEK_END 2 // seek relative to end of file
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/* globals */
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int giDebugLevel = 0; // current debug level (0 = disabled)
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int gfhDebugFile = -1; // file handle for debug output (or -1)
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#ifdef _DEBUG
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/* InitializeDebugOutput(szAppName)
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*
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* Read the current debug level of this application (named <szAppName>)
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* from the [debug] section of win.ini, as well as the current location
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* for debug output.
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*/
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void FAR PASCAL EXPORT_API InitializeDebugOutput(LPSTR szAppName)
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{
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#ifndef _MAC
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char achLocation[300]; // debug output location
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/* debugging is disabled by default (and if an error occurs below) */
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giDebugLevel = 0;
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gfhDebugFile = -1;
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/* get the debug output location */
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if ( (GetProfileString("debug", szAppName, "", achLocation,
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sizeof(achLocation)) == sizeof(achLocation)) ||
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(achLocation[0] == 0) )
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return;
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if (achLocation[0] == '>')
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{
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/* <achLocation> is the name of a file to overwrite (if
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* a single '>' is given) or append to (if '>>' is given)
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*/
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if (achLocation[1] == '>')
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gfhDebugFile = _lopen(achLocation + 2, OF_WRITE);
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else
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gfhDebugFile = _lcreat(achLocation + 1, 0);
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if (gfhDebugFile < 0)
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return;
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if (achLocation[1] == '>')
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_llseek(gfhDebugFile, 0, SEEK_END);
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}
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else
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if (lstrcmpi(achLocation, "aux") != 0)
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{
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/* use OutputDebugString() for debug output */
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}
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else
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{
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/* invalid "location=" -- keep debugging disabled */
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return;
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}
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/* get the debug level */
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giDebugLevel = GetProfileInt("debug", szAppName, 0);
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#endif
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}
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/* TerminateDebugOutput()
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*
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* Terminate debug output for this application.
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*/
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void FAR PASCAL EXPORT_API TerminateDebugOutput(void)
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{
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if (gfhDebugFile >= 0)
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_lclose(gfhDebugFile);
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gfhDebugFile = -1;
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giDebugLevel = 0;
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}
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/* _DebugPrintf(iDebugLevel, szFormat, szArg1)
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*
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* If the application's debug level is at or above <iDebugLevel>,
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* then output debug string <szFormat> with formatting codes
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* replaced with arguments in the argument list pointed to by <szArg1>.
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*/
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void FAR PASCAL EXPORT_API _DebugPrintf(int iDebugLevel, LPSTR szFormat, LPSTR szArg1)
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{
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static char ach[300]; // debug output (avoid stack overflow)
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int cch; // length of debug output string
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NPSTR pchSrc, pchDst;
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char *achT = ach;
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if (giDebugLevel != 0 && giDebugLevel < iDebugLevel)
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return;
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achT += wsprintf(achT, "%ld:", GetTickCount());
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wvsprintf(achT, szFormat, *((va_list *)szArg1));
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/* expand the newlines into carrige-return-line-feed pairs;
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* first, figure out how long the new (expanded) string will be
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*/
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for (pchSrc = pchDst = ach; *pchSrc != 0; pchSrc++, pchDst++)
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if (*pchSrc == '\n')
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pchDst++;
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/* is <ach> large enough? */
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cch = (int)((INT_PTR)pchDst - (INT_PTR)ach); /*** MATTSMI 2/7/92 - cast so that large model version works ***/
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assert(cch < sizeof(ach));
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*pchDst-- = 0;
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/* working backwards, expand \n's to \r\n's */
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while (pchSrc-- > ach)
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if ((*pchDst-- = *pchSrc) == '\n')
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*pchDst-- = '\r';
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/* output the debug string */
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if (gfhDebugFile > 0)
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_lwrite(gfhDebugFile, ach, cch);
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#ifndef CHICAGO // Debug messages mess-up the com ports under chicago!
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else
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OutputDebugString(ach);
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#endif
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}
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/* _DPF1()
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*
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* Helper function called by DPF() macro.
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*/
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void FAR EXPORT_API _cdecl _DPF1(LPSTR szFormat, // debug output format string
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...) // placeholder for first argument
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{
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va_list valist;
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va_start( valist, szFormat );
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_DebugPrintf(1, szFormat, (LPSTR) &valist);
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va_end( valist );
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}
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/* _DPF2()
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*
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* Helper function called by DPF2() macro.
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*/
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void FAR EXPORT_API _cdecl _DPF2(LPSTR szFormat, // debug output format string
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...) // placeholder for first argument
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{
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va_list valist;
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va_start( valist, szFormat );
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_DebugPrintf(2, szFormat, (LPSTR) &valist);
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va_end( valist );
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}
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/* _DPF3()
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*
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* Helper function called by DPF3() macro.
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*/
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void FAR EXPORT_API _cdecl _DPF3(szFormat, ...)
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LPSTR szFormat; // debug output format string
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{
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va_list valist;
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va_start( valist, szFormat );
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_DebugPrintf(3, szFormat, (LPSTR) &valist);
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va_end( valist );
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}
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/* _DPF4()
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*
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* Helper function called by DPF4() macro.
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*/
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void FAR EXPORT_API _cdecl _DPF4(szFormat, ...)
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LPSTR szFormat; // debug output format string
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{
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va_list valist;
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va_start( valist, szFormat );
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_DebugPrintf(4, szFormat, (LPSTR) &valist);
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va_end( valist );
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}
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#else // DEBUG
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// stubs for non-debug
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void FAR PASCAL EXPORT_API _InitializeDebugOutput(LPSTR szAppName)
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{
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}
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void FAR PASCAL EXPORT_API _TerminateDebugOutput(void)
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{
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}
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void FAR EXPORT_API _cdecl _DPF1(LPSTR szFormat, // debug output format string
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int iArg1, ...) // placeholder for first argument
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{
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}
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void FAR EXPORT_API _cdecl _DPF2(LPSTR szFormat, // debug output format string
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int iArg1, ...) // placeholder for first argument
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{
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}
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void FAR EXPORT_API _cdecl _DPF3(szFormat, iArg1, ...)
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LPSTR szFormat; // debug output format string
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int iArg1; // placeholder for first argument
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{
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}
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void FAR EXPORT_API _cdecl _DPF4(szFormat, iArg1, ...)
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LPSTR szFormat; // debug output format string
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int iArg1; // placeholder for first argument
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{
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}
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#endif // DEBUG
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