The table below provides summary descriptions of the overloaded procedures included in the BStrings Library. For full descriptions, check the f90VB Reference Manual. Most procedures operate on any of the supported string types.

Procedure Name	Description
BStrAlloc	Function BStrAlloc allocates a new BString, initializes its content to StrSrc, and returns a handle to the new BString.
BStrConvToVB and BStrConvFromVB	Subroutines BStrConvToVB and BStrConvFromVB are used to convert a standard BString into/from the special format used by Visual Basic when passing BString arguments to/from API functions.
BStrReAlloc	Subroutine BStrReAlloc changes the content of a BString to the content passed in StrSrc. BStrReAlloc can also be used to create a new BString, if the handle passed in StrDest is null.
OLEStrAlloc	OLEStrAlloc allocates and initializes a Fortran OLE String. If the passed Fortran OLE String was already initialized, the procedure will destroy its original content, release the memory, and reallocate the necessary space for the new content.
StrByteLen	Function StrByteLen returns the length in bytes of the input string's buffer.
StrByteLenTrim	Function StrByteLenTrim returns the length in bytes of the input string, excluding trailing blanks and/or the null terminator.
StrCompare	Function StrCompare allows lexical comparisons of two strings of the same type. It will return a Fortran Logical (.TRUE. or .FALSE.) as its result.
StrConcat	Subroutine StrConcat concatenates two strings
StrCopy	StrCopy stores a copy of the source string into the destination string. The procedure performs any necessary type conversion automatically. If the destination string is a dynamic string type, StrCopy will automatically allocate/reallocate the destination string with its new content.
StrFree	StrFree deallocates a Fortran OLE String or a BString and releases its memory to the operating system.
StrIndex	Function StrIndex returns the starting position of the first occurrence of a sub string within a string.
StrUCase and StrLCase	Subroutines StrUCase and StrLCase convert the content of the passed string to uppercase or lowercase.
StrLen	Function StrLen returns the length in number of characters of the input string's buffer
StrLenTrim	Function StrLenTrim returns the length in number of characters of the input string, excluding trailing blanks and/or the null terminator.
StrRepeat	Subroutine StrRepeat concatenates one or more copies of the source string and stores the result into the destination string.
StrSub	Subroutine StrSub extracts a sub string from the source string . The resulting sub string is stored in the destination string.