### IBuffer

  The IBuffer class defines the contents of an IString.

### IBuffer - Member Functions and Data by Group

### Constructors & Destructor

Construct and destructor IBuffer objects.

~IBuffer

      protected:
      virtual ~IBuffer()

  Does nothing at this time.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

IBuffer

      protected:
      IBuffer(unsigned newLen)

  Constructors a new buffer object.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Allocation

Use these protected members to allocate and deallocate IBuffer objects.

allocate

      protected:
      virtual IBuffer* allocate(unsigned bufLength) const

  Returns a new buffer of the specified length.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

operator delete
  Deallocates a buffer.

  Overload 1

      protected:
      void
        operator delete( void* p,
                         const char* filename,
                         size_t linenum )

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      protected:
      void operator delete(void* p)

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

operator new
  Allocates space for a buffer of the specified length. The returned pointer is an area the size of an IBuffer large enough to hold data of size bufLen.

  Overload 1

      protected:
      void* operator new(size_t t, unsigned bufLen)

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      protected:
      void*
        operator new( size_t t,
                      const char* filename,
                      size_t linenum,
                      unsigned bufLen )

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Comparisons

Use these members to compare the IBuffer's contents to some other character array.

compare

      public:
      virtual Comparison
        compare( const void* p,
                 unsigned len ) const

  Compares the buffer's contents to the contents of the specified character array.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Diagnostics

Use these members to provide diagnostic information about the buffer.

asDebugInfo

      public:
      virtual IString asDebugInfo() const

  Returns information about the buffer's internal representation that you can use for debugging.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Editing

These members are called by the corresponding IString members to edit the buffer's contents.

center

      public:
      virtual IBuffer* center(unsigned newLen, char padCharacter)

  Centers the receiver within a string of the specified length.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

change

      public:
      virtual IBuffer*
        change( const char* pSource,
                unsigned sourceLen,
                const char* pTarget,
                unsigned targetLen,
                unsigned startPos,
                unsigned numChanges )

  Changes occurrences of a specified pattern to a specified replacement string. You can specify the number of changes to perform. The default is to change all occurrences of the pattern. You can also specify the position in the receiver at which to begin.

  The parameters are the following:

  pSource
    The pattern string as a NULL-terminated string. The library searches for the pattern string within the receiver's data.
  sourceLen
    The length of the source string.
  pTarget
    The target string as a NULL-terminated string. It replaces the occurrences of the pattern string in the receiver's data.
  targetLen
    The length of the target string.
  startPos
    The position to start the search at within the target's data.
  numChanges
    The number of patterns to search for and change.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

copy

      public:
      virtual IBuffer* copy(unsigned numCopies)

  Replaces the receiver's contents with a specified number of replications of itself.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

insert

      public:
      virtual IBuffer*
        insert( const char* pInsert,
                unsigned insertLen,
                unsigned pos,
                char padCharacter )

  Inserts the specified string after the specified location.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

leftJustify

      public:
      virtual IBuffer*
        leftJustify( unsigned newLen,
                     char padCharacter )

  Left-justifies the receiver in a string of the specified length. If the new length (newLen) is larger than the current length, the string is extended by the pad character (padCharacter). The default pad character is a blank.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

lowerCase

      public:
      virtual IBuffer* lowerCase()

  Translates all uppercase letters in the receiver to lowercase.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

overlayWith

      public:
      virtual IBuffer*
        overlayWith( const char* overlay,
                     unsigned len,
                     unsigned pos,
                     char padCharacter )

  Replaces a specified portion of the receiver's contents with the specified string. If pos is beyond the end of the receiver's data, it is padded with the pad character (padCharacter).

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

remove

      public:
      virtual IBuffer*
        remove( unsigned startPos,
                unsigned numChars )

  Deletes the specified portion of the string (that is, the substring) from the receiver. You can use this function to truncate an IString object at a specific position. For example:

  :xmp scale='0.8'

  removes the substring beginning at index 8 and takes the rest of the string as a default.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

reverse

      public:
      virtual IBuffer* reverse()

  Reverses the receiver's contents.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

rightJustify

      public:
      virtual IBuffer*
        rightJustify( unsigned newLen,
                      char padCharacter )

  Right-justifies the receiver in a string of the specified length. If the receiver's data is shorter than the requested length (newLen), it is padded on the left with the pad character (padCharacter). The default pad character is a blank.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

strip
  Strips both the leading and trailing character or characters. You can specify the character or characters as the following:

  - A char* array
  - An IStringTest object

  The default is white space.

  Overload 1

      public:
      virtual IBuffer*
        strip( const IStringTest& aTest,
               IStringEnum::StripMode mode )

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      virtual IBuffer*
        strip( const char* pChars,
               unsigned len,
               IStringEnum::StripMode mode )

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

translate

      public:
      virtual IBuffer*
        translate( const char* pInputChars,
                   unsigned inputLen,
                   const char* pOutputChars,
                   unsigned outputLen,
                   char padCharacter )

  Converts all of the receiver's characters that are in the first specified string to the corresponding character in the second specified string.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

upperCase

      public:
      virtual IBuffer* upperCase()

  Translates all lowercase letters in the receiver to uppercase.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Implementation

This member helps implement this class.

initialize

      protected:
      static IBuffer* initialize()

  Initializes the IBuffer object (sets up a NULL buffer, a DBCS table, and so forth).

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### NLS Testing

Corresponding IString members use these members to test the buffer's contents. These tests are character-set-specific.

includesDBCS

      public:
      virtual bool includesDBCS() const

  If any characters are DBCS (double-byte character set), true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

includesMBCS

      public:
      virtual bool includesMBCS() const

  If any characters are MBCS (multiple-byte character set), true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

includesSBCS

      public:
      virtual bool includesSBCS() const

  If any characters are SBCS (single-byte character set), true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isDBCS

      public:
      virtual bool isDBCS() const

  If all the characters are DBCS, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isMBCS

      public:
      virtual bool isMBCS() const

  If all the characters are MBCS, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isSBCS

      public:
      virtual bool isSBCS() const

  If all the characters are SBCS, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isValidDBCS

      public:
      virtual bool isValidDBCS() const

  If no DBCS characters have a 0 second byte, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isValidMBCS

      public:
      virtual bool isValidMBCS() const

  If no MBCS characters have a 0 second byte, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Protected Queries

This member helps implement this class.

className

      protected:
      virtual const char* className() const

  Returns the name of the class (IBuffer).

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Queries

Use these members to access various attributes of a buffer.

charType

      public:
      virtual IStringEnum::CharType
        charType( unsigned index ) const

  Returns the type of a character at the specified index.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

contents
  Returns the address of the buffer's contents.

  Overload 1

      public:
      const char* contents() const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      char* contents()

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

defaultBuffer

      public:
      static IBuffer* defaultBuffer()

  Returns the address of the NULL buffer for the class. This is a static function.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

fromContents

      public:
      static IBuffer* fromContents(const char* pBuffer)

  Returns the address of IBuffer using the specified pointer to its contents. This is a static function.

  Note: It is important that pBuffer point to the actual beginning of data from an IBuffer object. The Open Class Library can return only values from the contents function of this class. Otherwise, if the returned IBuffer pointer is used, errors could occur.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

length

      public:
      unsigned length() const

  Returns the length of the buffer's contents.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

next
  Returns a pointer to the next character, not the next byte, in the buffer.

  Overload 1

      public:
      virtual char* next(const char* prev)

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      virtual const char* next(const char* prev) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

null

      public:
      IBuffer* null() const

  Returns the address of the NULL buffer.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

useCount

      public:
      unsigned useCount() const

  Returns the number of IStrings referring to the buffer.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Reallocation

Use these members to manage reallocation of IBuffers when strings' contents are modified.

checkAddition

      public:
      static unsigned
        checkAddition( unsigned addend1,
                       unsigned addend2 )

  Verifies that the two parameters, when added, do not overflow an unsigned integer.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

checkMultiplication

      public:
      static unsigned
        checkMultiplication( unsigned factor1,
                             unsigned factor2 )

  Verifies that the two parameters, when multiplied, do not overflow an unsigned integer.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

newBuffer

      public:
      IBuffer*
        newBuffer( const void* p1,
                   unsigned len1,
                   const void* p2 = 0,
                   unsigned len2 = 0,
                   const void* p3 = 0,
                   unsigned len3 = 0,
                   char padChar = 0 ) const

  Allocates a new buffer and initializes it with the contents of up to three specified buffers.

  The parameters are the following:

  p1
    The pointer to the first part to be copied into the data area of the new buffer. The first part is len1 bytes long. If the pointer is NULL, the padChar is copied for len1 bytes.
  len1
    The length, in bytes, of the first part to be copied into the new buffer.
  p2
    A pointer to the second part, immediately following the first part, to be copied into the data area of the new buffer. The second part is len2 bytes long. If the pointer is NULL, the padChar is copied for len2 bytes. If nothing is specified for p2, it is NULL.
  len2
    The length, in bytes, of the second part to be copied into the new buffer. If nothing is specified for len2, it defaults to 0 bytes.
  p3
    The pointer to the third part, immediately following the second part, to be copied into the data area of the new buffer. The third part is len3 bytes long. If the pointer is NULL, the padChar is copied for len3 bytes. If nothing is specified for p3, it is NULL.
  len3
    The length, in bytes, of the third part to be copied into the new buffer. If nothing is specified for len3, it defaults to 0 bytes.
  padChar
    The character to use as the pad in the cases of p1, p2, or p3 being NULL. If you do not specify a padChar, it defaults to the character 0.

  Note: If the sum of len1, len2, and len3 is 0, a reference to the NULL buffer for this class is added and the address is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

overflow

      public:
      static unsigned overflow()

  Throws an exception when IBuffer::checkAddition or IBuffer::checkMultiplication detects an overflow.

Exception

  IInvalidRequest | You made an IBuffer request causing an overflow. Typically, this occurs during object construction or during an operation that grows an underlying IBuffer object. Likely culprits might be an IBuffer::newBuffer or IString::change call.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

setDefaultBuffer

      public:
      static void setDefaultBuffer(IBuffer* newDefaultBuffer)

  Sets the default (NULL) buffer. The specified buffer must be comprised of a single NULL byte.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Search Initialization

These members help implement this class.

startBackwardsSearch

      protected:
      virtual unsigned
        startBackwardsSearch( unsigned startPos,
                              unsigned searchLen ) const

  Initializes a search of type IString::lastIndexOf using the following criteria:
  - If searchLen is greater than the length of the buffer, 0 is returned indicating an invalid search request.
  - If the starting position is 0 or beyond the last searchLen bytes of the buffer, the position where the last searchLen bytes start in the buffer is returned.
  - If the starting position is 1 through the last searchLen bytes, the value of startingPos is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

startSearch

      protected:
      virtual unsigned
        startSearch( unsigned startPos,
                     unsigned searchLen ) const

  Initializes a search of type IString::indexOf using the following criteria:

  - If startPos is 0, the search uses a starting position of 1.
  - If the specified startPos and searchLen result in an invalid search, 0 is returned. This usually occurs when the sum of startPos and searchLen is greater than the size of the buffer.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Searches

These members are called by the corresponding IString members to search the buffer's contents.

indexOf
  Returns the byte index of the first occurrence of the specified string within the receiver. If there are no occurrences, 0 is returned.

  Overload 1

      public:
      virtual unsigned
        indexOf( const char* pString,
                 unsigned len,
                 unsigned startPos = 1 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      virtual unsigned
        indexOf( const IStringTest& aTest,
                 unsigned startPos = 1 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

indexOfAnyBut
  Returns the index of the first character of the receiver that is not in the specified set of characters. If there are no characters, 0 is returned. Alternatively, this function returns the index of the first character that fails the test prescribed by a specified IStringTest object.

  Overload 1

      public:
      virtual unsigned
        indexOfAnyBut( const char* pString,
                       unsigned len,
                       unsigned startPos = 1 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      virtual unsigned
        indexOfAnyBut( const IStringTest& aTest,
                       unsigned startPos = 1 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

indexOfAnyOf
  Returns the index of the first character of the receiver that is a character in the specified set of characters. If there are no characters, 0 is returned. Alternatively, this function returns the index of the first character that passes the test prescribed by a specified IStringTest object.

  Overload 1

      public:
      virtual unsigned
        indexOfAnyOf( const char* pString,
                      unsigned len,
                      unsigned startPos = 1 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      virtual unsigned
        indexOfAnyOf( const IStringTest& aTest,
                      unsigned startPos = 1 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

lastIndexOf
  Returns the index of the last occurrence of the specified string or character. The search starts at the position specified by startPos (inclusive) and proceeds backward. The returned value is in the range 0 <= x <= startPos. The default of 0 starts the search at the end of the receiver's string. If the search target is not found, 0 is returned.

  If you specify 0 for startPos, this function returns 0 indicating the search target was not found.

  Overload 1

      public:
      virtual unsigned
        lastIndexOf( const IStringTest& aTest,
                     unsigned startPos = 0 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      virtual unsigned
        lastIndexOf( const char* pString,
                     unsigned len,
                     unsigned startPos = 0 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

lastIndexOfAnyBut
  Returns the index of the last character not in the specified string or character. The search starts at the position specified by startPos (inclusive) and proceeds backward. The default of 0 starts the search at the end of the receiver's string. If the search target is not found, 0 is returned.

  If you specify 0 for startPos, this function returns 0 indicating the search target was not found.

  Overload 1

      public:
      virtual unsigned
        lastIndexOfAnyBut( const IStringTest& aTest,
                           unsigned startPos = 0 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      virtual unsigned
        lastIndexOfAnyBut( const char* pString,
                           unsigned len,
                           unsigned startPos = 0 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

lastIndexOfAnyOf
  Returns the index of the last character in the specified string or character. The search starts at the position specified by startPos (inclusive) and proceeds backward. The default of 0 starts the search at the end of the receiver's string. If the search target is not found, 0 is returned.

  If you specify 0 for startPos, this function returns 0 indicating the search target was not found.

  Overload 1

      public:
      virtual unsigned
        lastIndexOfAnyOf( const IStringTest& aTest,
                          unsigned startPos = 0 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      virtual unsigned
        lastIndexOfAnyOf( const char* pString,
                          unsigned len,
                          unsigned startPos = 0 ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Subset

Use this member when a subset of characters is required.

subString
  Returns a new IBuffer, of the same type as the previous one, containing the specified subset of characters.

  The parameters are the following:

  startPos
    The index at which to start the substring. If startPos is 0, the function uses position 1. If startPos is beyond the end of the buffer, nothing is copied. The buffer is filled out by the specified padding character.
  len
    The length to copy from the buffer. If the length extends beyond the end of the buffer, only the portion up to the end is copied. The buffer is then padded. If len is 0, a reference to the NULL buffer is returned.
  padCharacter
    Specifies the character the function uses to pad the copied string if less than len bytes have been copied from the source buffer.

  Overload 1

      public:
      virtual IBuffer* subString(unsigned startPos) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

  Overload 2

      public:
      virtual IBuffer*
        subString( unsigned startPos,
                   unsigned len,
                   char padCharacter ) const

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### Testing

Corresponding IString members use these members to test the buffer's contents.

isAlphabetic

      public:
      virtual bool isAlphabetic() const

  If all the characters are in {'A'-'Z','a'-'z'}, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isAlphanumeric

      public:
      virtual bool isAlphanumeric() const

  If all the characters are in {'A'-'Z','a'-'z','0'-'9'}, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isASCII

      public:
      virtual bool isASCII() const

  If all the characters are in {0x00-0x7F}, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isControl

      public:
      virtual bool isControl() const

  Control characters are defined by the iscntrl() C Library function as defined in the cntrl locale source file and in the cntrl class of the LC_CTYPE category of the current locale. For example, on ASCII operating systems, control characters are those in the range {0x00-0x1F,0x7F}.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isDigits

      public:
      virtual bool isDigits() const

  If all the characters are in {'0'-'9'}, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isGraphics

      public:
      virtual bool isGraphics() const

  Returns true if all the characters are graphics characters.

  Graphics characters are printable characters excluding the space character, as defined by the isgraph() C Library function in the graph locale source file and in the graph class of the LC_CTYPE category of the current locale. For example, on ASCII operating systems, graphics characters are those in the range {0x21-0x7E}.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isHexDigits

      public:
      virtual bool isHexDigits() const

  If all the characters are in {'0'-'9','A'-'F','a'-'f'}, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isLowerCase

      public:
      virtual bool isLowerCase() const

  If all the characters are in {'a'-'z'}, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isPrintable

      public:
      virtual bool isPrintable() const

  Returns true if all the characters are printable characters.

  Printable characters are defined by the isprint() C Library function as defined in the print locale source file and in the print class of the LC_CTYPE category of the current locale. For example, on ASCII systems, printable characters are those in the range {0x20-0x7E}.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isPunctuation

      public:
      virtual bool isPunctuation() const

  If none of the characters is white space, a control character, or an alphanumeric character, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isUpperCase

      public:
      virtual bool isUpperCase() const

  If all the characters are in {'A'-'Z'}, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isWhiteSpace

      public:
      virtual bool isWhiteSpace() const

  Returns true if all the characters are white-space characters.

  White-space characters are defined by the isspace() C Library function as defined in the space locale source file and in the space class of the LC_CTYPE category of the current locale. For example, on ASCII systems, white-space characters are those in the range {0x09-0x0D,0x20}.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

isDBCSLead

      protected:
      static bool isDBCSLead(char inByte)

  If the input character is the first byte of a DBCS character, true is returned.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | No

### IBuffer - Type Definitions

Comparison

      typedef enum { equal , greaterThan , lessThan } Comparison

  These enumerators specify the possible valid return codes from IBuffer::compare.

  equal
    The buffer's contents are equal to the contents of the specified character array.
  greaterThan
    The buffer's contents are greater than the contents of the specified character array.
  lessThan
    The buffer's contents are less than the contents of the specified character array.

Supported Platforms

  Windows | OS/2 | AIX
  Yes | Yes | Yes

### IBuffer - Inherited Member Functions and Data

#### Inherited Public Functions

  IMRefCounted

  -     void addRef()

  -     unsigned long count() const

  -     void removeRef()

#### Inherited Public Data

  - None

#### Inherited Protected Functions

  IMRefCounted

  -     virtual ~IMRefCounted()

  -     IMRefCounted()

  -     IMRefCounted(const IMRefCounted&)

  -     IMRefCounted& operator =(const IMRefCounted&)

#### Inherited Protected Data

  - None