Index: src/defs.hxx
--- src/defs.hxx.orig
+++ src/defs.hxx
@@ -48,25 +48,25 @@ Author:		Nassib Nassar, nrn@cnidr.org
 #endif
 #include "gdt.h"
 
-const PCHR IsearchDefaultDbName = "ISEARCH";
+extern const char* IsearchDefaultDbName;
 
-const PCHR IsearchVersion = "1.14";
+extern const char* IsearchVersion;
 const INT IsearchMagicNumber = 6;
 
 typedef UINT4 GPTYPE;
 typedef GPTYPE* PGPTYPE;
 
-const PCHR Bib1AttributeSet = "1.2.840.10003.3.1";
-const PCHR StasAttributeSet = "1.2.840.10003.3.1000.6.1";
+extern const char* Bib1AttributeSet;
+extern const char* StasAttributeSet;
 
-const PCHR IsearchAttributeSet = "1.2.840.10003.3.1000.34.1";
+extern const char* IsearchAttributeSet;
 const INT IsearchFieldAttr = 1;
 const INT IsearchWeightAttr = 2;
 
 // Record Syntaxes
-const PCHR SutrsRecordSyntax = "1.2.840.10003.5.101";
-const PCHR UsmarcRecordSyntax = "1.2.840.10003.5.10";
-const PCHR HtmlRecordSyntax = "1.2.840.10003.5.1000.34.1";
+extern const char* SutrsRecordSyntax;
+extern const char* UsmarcRecordSyntax;
+extern const char* HtmlRecordSyntax;
 
 // Op Types
 const INT TypeOperand = 1;
@@ -92,24 +92,24 @@ const INT IndexingStatusIndexing = 2;
 const INT IndexingStatusMerging = 3;
 const INT IndexingStatusParsingFiles = 4;
 
-const PCHR DbExtDbInfo = ".dbi";
-const PCHR DbExtIndex = ".inx";
-const PCHR DbExtMdt = ".mdt";
-const PCHR DbExtMdtKeyIndex = ".mdk";
-const PCHR DbExtMdtGpIndex = ".mdg";
-const PCHR DbExtDfd = ".dfd";
-const PCHR DbExtIndexQueue1 = ".iq1";
-const PCHR DbExtIndexQueue2 = ".iq2";
-const PCHR DbExtTemp = ".tmp";
-const PCHR DbExtDict = ".dic";
-const PCHR DbExtSparse = ".spr";
-const PCHR DbExtCentroid = ".cen";
+extern const char* DbExtDbInfo;
+extern const char* DbExtIndex;
+extern const char* DbExtMdt;
+extern const char* DbExtMdtKeyIndex;
+extern const char* DbExtMdtGpIndex;
+extern const char* DbExtDfd;
+extern const char* DbExtIndexQueue1;
+extern const char* DbExtIndexQueue2;
+extern const char* DbExtTemp;
+extern const char* DbExtDict;
+extern const char* DbExtSparse;
+extern const char* DbExtCentroid;
 
 #ifdef PLATFORM_MSVC
 #define strcasecmp stricmp
 #define strncasecmp strnicmp
 #endif
 
-#define COUT cout
+#define COUT std::cout
 
 #endif