text:    /*******************************************************/
     /*      "C" Language Integrated Production System      */
     /*                                                     */
     /*             CLIPS Version 6.40  08/25/16            */
     /*                                                     */
     /*             STRING_TYPE FUNCTIONS HEADER FILE            */
     /*******************************************************/
  
  /*************************************************************/
  /* Purpose:                                                  */
  /*                                                           */
  /* Principal Programmer(s):                                  */
  /*      Gary D. Riley                                        */
  /*                                                           */
  /* Contributing Programmer(s):                               */
  /*                                                           */
  /* Revision History:                                         */
  /*                                                           */
  /*      6.23: Correction for FalseSymbol/TrueSymbol. DR0859  */
  /*                                                           */
  /*      6.30: Support for long long integers.                */
  /*                                                           */
  /*            Removed conditional code for unsupported       */
  /*            compilers/operating systems (IBM_MCW and       */
  /*            MAC_MCW).                                      */
  /*                                                           */
  /*            Used gensprintf instead of sprintf.            */
  /*                                                           */
  /*            Changed integer type/precision.                */
  /*                                                           */
  /*            Changed garbage collection algorithm.          */
  /*                                                           */
  /*            Added support for UTF-8 strings to str-length, */
  /*            str-index, and sub-string functions.           */
  /*                                                           */
  /*            Added const qualifiers to remove C++           */
  /*            deprecation warnings.                          */
  /*                                                           */
  /*      6.40: Removed LOCALE definition.                     */
  /*                                                           */
  /*            Pragma once and other inclusion changes.       */
  /*                                                           */
  /*            Added support for booleans with <stdbool.h>.   */
  /*                                                           */
  /*            Removed use of void pointers for specific      */
  /*            data structures.                               */
  /*                                                           */
  /*            ALLOW_ENVIRONMENT_GLOBALS no longer supported. */
  /*                                                           */
  /*            UDF redesign.                                  */
  /*                                                           */
  /*************************************************************/
  
  #ifndef _H_strngfun
  
  #pragma once
  
  #define _H_strngfun
  
  #include "entities.h"
  
     bool                           Build(Environment *,const char *);
     bool                           Eval(Environment *,const char *,CLIPSValue *);
     void                           StringFunctionDefinitions(Environment *);
     void                           StrCatFunction(Environment *,UDFContext *,UDFValue *);
     void                           SymCatFunction(Environment *,UDFContext *,UDFValue *);
     void                           StrLengthFunction(Environment *,UDFContext *,UDFValue *);
     void                           UpcaseFunction(Environment *,UDFContext *,UDFValue *);
     void                           LowcaseFunction(Environment *,UDFContext *,UDFValue *);
     void                           StrCompareFunction(Environment *,UDFContext *,UDFValue *);
     void                           SubStringFunction(Environment *,UDFContext *,UDFValue *);
     void                           StrIndexFunction(Environment *,UDFContext *,UDFValue *);
     void                           EvalFunction(Environment *,UDFContext *,UDFValue *);
     void                           BuildFunction(Environment *,UDFContext *,UDFValue *);
     void                           StringToFieldFunction(Environment *,UDFContext *,UDFValue *);
     void                           StringToField(Environment *,const char *,UDFValue *);
  
  #endif /* _H_strngfun */
  
  
  
  
  
  
  