| ADDouble2BCD | Converts a double value to a TBcd. |
| FDAnsiStrLen | Returns the number of characters in a PFDAnsiString, excluding the null terminator. |
| FDBCD2Double | Converts a TBcd to a double value. |
| FDBCD2Str | Returns a string representation of a binary-coded decimal (BCD) value. |
| FDBcdGetMetrics | Returns the scale and precision of a TBcd object. |
| FDBcdIsDecimalPartEmpty | Returns whether the decimal part of the TBcd object is empty. |
| FDBin2Hex | Returns a hexadecimal representation of a Pointer. |
| FDBin2HexBS | Returns a hexadecimal representation of a Pointer. |
| FDBrowseForFolder | FDBrowseForFolder allows a user to select a folder. |
| FDCompareAnsiStr | FDCompareAnsiStr compares the values of AStr1 and AStr2 parameters. |
| FDCompareByteStr | FDCompareByteStr compares the values of AStr1 and AStr2 parameters. |
| FDCompareWideStr | FDCompareWideStr compares the values of AStr1 and AStr2 parameters. |
| FDCountFieldNames | FDCountFieldNames returns the number of field names contained by a String object. |
| FDCurr2Str | FDCurr2Str formats a Currency value as a String. |
| FDDate2DateTime | FDDate2DateTime converts a Longint value to a TDateTime object. |
| FDDate2SQLTimeStamp | Converts a Longint value to a TSQLTimeStamp value. |
| FDDateTime2Date | Converts an AValue date and time value to a date value represented by the number of days from the start of the calendar (the number of days since 1/1/0001 plus one). |
| FDDateTime2MSecs | Converts an AValue date and time value to the number of milliseconds from the start of the calendar (the number of days since 1/1/0001 plus one). |
| FDDateTime2SQLTimeStamp | Converts a TDateTime to a TFDSQLTimeStamp value. |
| FDDateTime2Time | Converts a TDateTime to a TTime value. |
| FDDisableFPExc | Disables floating-point exceptions. |
| FDEncodeDateTime | Returns a TDateTime that represents a specified year, month, day, hour, minute, second, and millisecond. |
| FDExpandStr | Expands a string by replacing the path variables with their actual values. |
| FDExpandStrs | Expands a list of strings by replacing the path variables with their actual values. |
| FDExtractFieldName | Returns the next name in a delimited string of field names. |
| FDExtractFileNameNoPath | Returns the file name without its extension. |
| FDFieldInFieldNames | Checks if a field name is in a semicolon-delimited string of names. |
| FDFieldNamesToArray | Converts field names within a string to an array of strings. |
| FDFileMove | Moves the file to a new specified path. |
| FDFixCRLF | Adjusts CR / LF in a string to a conventional presentation of run-time platform. |
| FDFloat2Str | Converts a floating-point value to a string. |
| FDFloatRec2BCD | Converts a floating-point number to a string. |
| FDFree | Destroys an object and frees its associated memory, if necessary. |
| FDFreeAndNil | Frees an object reference and replaces the reference with nil (Delphi) or NULL (C++). |
| FDGetAppCfgPath | Returns the path for the application configuration. |
| FDGetAppDocPath | Returns the path for the application documents. |
| FDGetAppPath | Returns path for the executable module of the application. |
| FDGetBestPath | Returns the best configuration path. |
| FDGetCmdParam | Returns the command-line parameters. |
| FDGetLibMachineType | Returns the machine type. |
| FDGetPerformanceCounter | Returns the value of the performance counter. |
| FDGetSystemCfgPath | Returns the path of the system configuration directory. |
| FDGetTempPath | Returns the path of the temporary files directory. |
| FDGetTickCount | Returns the number of milliseconds since the system start. |
| FDGetVersionInfo | Returns version information associated with a specified file. |
| FDHandleException | Called when an exception is raised. |
| FDHex2Bin | Returns a binary representation of a String. |
| FDHighRefCounter | Sets the reference count of an object to a maximum possible value. |
| FDIdentToStr | Returns a string representation of a Variant. |
| FDIndexOf | Returns the index of an item inside a list. |
| FDInSet | Checks if a character belongs to a set. |
| FDInt2Str | Converts an integer number into a string. |
| FDIsDesignTime | |
| FDIsSQLTimeStampBlank | |
| FDLastSystemErrorMsg | Returns the last system error message. |
| FDMergeFieldNames | Combines two strings with the field names. |
| FDMSecs2DateTime | Converts a double value into the corresponding TDateTime value. |
| FDNameFromIndex | Returns the name at the position indicated by the AIndex variable, from a list of strings. |
| FDNormPath | Ensures that a path name ends with a delimiter. |
| FDPadL | Formats the text by adding spaces or reducing the text. |
| FDPadR | Formats the text by adding spaces or reducing the text. |
| FDPosEx | |
| FDRandomNumber | |
| FDReadEnvValue | Retrieves the value of an environment variable. |
| FDReadRegValue | Retrieves a string value from the system registry. |
| FDResetFPExc | |
| FDSameVariants | Returns the result of comparing two Variants. |
| FDSetEnv | Creates, modifies, or deletes an environment variable. |
| FDShell | |
| FDSQLTimeStamp2Date | Converts a TSQLTimeStamp value to a Longint value. |
| FDSQLTimeStamp2DateTime | Converts a TSQLTimeStamp value to a TDateTime value. |
| FDSQLTimeStamp2Time | Converts a TSQLTimeStamp object to an integer. |
| FDStr2BCD | Returns a binary-coded decimal (BCD) representation of a string. |
| FDStr2Curr | Converts a string to a Currency value. |
| FDStr2Float | Converts a given string to a floating-point value. |
| FDStr2Int | Converts into a number a string that represents an integer (decimal notation). |
| FDStrLike | Compares a string and a pattern for matches. |
| FDStrReplace | Replaces a character in a string. |
| FDStrRPos | Returns a pointer to the first occurrence of Str2 in Str1. |
| FDStrToken | Splits a string into different parts delimited by the specified delimiter characters. |
| FDSystemMessage | Displays a system message box. |
| FDTime2DateTime | Converts a Longint time value into a TDateTime value. |
| FDTime2SQLTimeStamp | Converts a Longint time value into a TSQLTimeStamp value. |
| FDTimeout | Checks the timeout. |
| FDUnquote | Removes the quote characters from a string. |
| FDValToStr | Returns a string representation of a Variant. |
| FDValueFromIndex | Returns the string at a specified position. |
| FDVar2SQLTimeStamp | Converts a Variant into a TSQLTimeStamp. |
| FDVarToBool | Converts a Variant to a Boolean. |
| FDVerInt2Str | Converts a TFDVersion value to a String. |
| FDVerStr2Int | Converts a String to a TFDVersion value. |
| FDWideStrLen | Returns the number of characters in a PWideChar, excluding the null terminator. |
| FDWriteRegValue | Creates a new registry key. |