Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

                                             ◄Up► ◄Contents► ◄Index► ◄Back►
──C/C++ Language and Libraries Index────────────────────────────────────────
 
  ┌─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┐
  │A│B│C│D│E│F│G│H│I│J│K│L│M│N│O│P│Q│R│S│T│U│V│W│X-Z│
  └─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┘
 
  #if                    Conditional compilation by expression
  if                     if statement
  #ifdef                 Conditional compilation by macro definition
  #ifndef                Conditional compilation if macro not defined
  _imagesize...          Get memory required to store graphics image
  #include               Include file
  inline                 Replace function calls with inline code (C++)
  __inline               Replace function calls with inline code
  \ainit_seg               Specify startup code execution order
  _inp                   Input byte from port
  _inpw                  Input word from port
  int                    Integer data type
  INT_...                Int range constants
  _int86                 Execute 8086 interrupt
  _int86x                Execute 8086 interrupt; accept segment-register
                            values
  _intdos                Execute DOS system call
  _intdosx               Execute DOS system call; accept segment-register
                            values
  internationalization   Functions for localization
  __interrupt            Declarator for interrupt-handler function
  intrinsic              Generate intrinsic function
  _IOFBF                 Full buffering with setvbuf
  _IOLBF                 Full buffering with setvbuf
  _IONBF                 No buffer with setvbuf
  I/O, console and port  Screen, keyboard, and hardware ports
  I/O, low-level         Low-level manipulation of files
  I/O, streams           Stream-oriented I/O functions
  isalnum                Test for alphanumeric character (A-Z, a-z, 0-9)
  isalpha                Test for alphabetic character (A-Z, a-z)
  __isascii              Test for ASCII character (0x00-0x7F)
  _isatty                Check for character device
  iscntrl                Test for control character (0x00-0x1f, or 0x7F)
  __iscsym               Check for C identifier character
  __iscsymf              Check for first C identifier character
  isdigit                Test for digit (0-9)
  isgraph                Test for printable character (0x21-0x7E)
  islower                Test for lowercase character (a-z)
  isprint                Test for printable character (0x20-0x7E)
  ispunct                Test for punctuation character
  isspace                Test for white-space character (0x09-0x0D, or
                            0x20)
  isupper                Test for uppercase character (A-Z)
  isxdigit               Test for hexadecimal digit (A-F, a-f, 0-9)
  _itoa                  Convert integer to string
                                    -♦-