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# Index: C

\c : (see control characters)
c command (debugger) : 8.1.1. Debugger Commands
-C file test operator : 2.5.10. Named Unary and File Test Operators
-c file test operator : 2.5.10. Named Unary and File Test Operators
C language : 8.2.4. C Traps
  embedding in Perl : 6.4.5. Embedding C and C++ in Perl
  embedding Perl in : 6.4.4. Embedding Perl in C and C++
  library functions : 3. Functions
  Miniperl module for : 7.2.20. ExtUtils::Miniperl - Write the C Code for perlmain.c
  wrapper programs : 6.3.1.3. Security bugs
/c modifier : 2.4.2. Pattern-Matching Operators
C preprocessor : 6.1.2. Switches
-c switch, perl : 6.1.2. Switches
C++ language
  6.4.4. Embedding Perl in C and C++
  6.4.5. Embedding C and C++ in Perl
C-style logical operators : 2.5.14. C-style Logical (Short Circuit) Operators
cacheout() : 7.2.32. FileCache - Keep More Files Open Than the System Permits
caller function
  3.2.10. caller
  8.1.6. Debugger Internals
  8.2.7. Previous Perl Traps
Cap module : 7.2.64. Term::Cap - Terminal Capabilities Interface
capitalization
  2.3.1. Variables
  3.2.177. uc
  changing : 2.4.2. Pattern-Matching Operators
  escape sequences for : 2.3.2.2. String literals
  lc function : 3.2.82. lc
  lcfirst function : 3.2.82. lc
  package/module names : 8.4. Programming with Style
caret : (see ^ (caret))
Carp module : 7.2.5. Carp - Generate Error Messages
case sensitivity
  2.4.1.4. Regular expression extensions
  2.4.2. Pattern-Matching Operators
case structure : 2.6.5. Bare Blocks and Case Structures
cbreak option : 3.2.43. getc
centering : 2.8.1. Format Variables
character classes
  1.7. Regular Expressions
  2.4.1.2. The rules of regular expression matching
character set, setting : 7.2.37. I18N::Collate - Compare 8-bit Scalar Data According to the Current Locale
characters
  (see also patterns)
  2.4.1.2. The rules of regular expression matching
  $[ variable : 2.9.3. Global Special Variables
  case of : (see capitalization)
  deleting : 3.2.13. chomp
  getting ASCII values of : 3.2.104. ord
  getting from ASCII values : 3.2.16. chr
  hexadecimal : (see hexadecimal numbers)
  literal : 2.4.1.1. The regular expression bestiary
  metacharacters : 2.4.1.1. The regular expression bestiary
  octal : (see octal characters)
  prototype : 2.7.3. Prototypes
  single-character input : 3.2.43. getc
  special : 2.4.1.2. The rules of regular expression matching
  whitespace : (see whitespace)
chdir function
  3.2.11. chdir
  7.2.7. Cwd - Get Pathname of Current Working Directory
checking
  hosts if online : 7.2.46. Net::Ping - Check Whether a Host Is Online
  MANIFEST file : 7.2.19. ExtUtils::Manifest - Utilities to Write and Check a MANIFEST File
  taint : (see taint checking)
checksums : 3.2.182. unpack
CheckTree module : 7.2.28. File::CheckTree - Run Many Tests on a Collection of Files
child processes : (see processes)
$CHILD_ERROR : (see $ variables, $? variable)
chmod function : 3.2.12. chmod
chomp function
  1.4. Filehandles
  3.2.13. chomp
chop function
  (see also chomp function)
  1.4. Filehandles
  3.2.14. chop
chown function : 3.2.15. chown
chr function : 3.2.16. chr
chroot function : 3.2.17. chroot
circular references : 5.3.9. A Note on Garbage Collection
class context : 5.5.9. Class Context and the Object
class methods
  5.3.1. Brief Refresher on Object-Oriented Programming
  5.3.5.1. Class methods
classes
  5. Packages, Modules, and Object Classes
  5.3.1. Brief Refresher on Object-Oriented Programming
  5.3.4. A Class Is Simply a Package
  5.5.9. Class Context and the Object
  base : (see base classes)
  package
    3.2.171. tie
    3.2.184. untie
  using as base class : 5.5.1. Object-Oriented Scaling Tips
CLEAR method : 5.4.3. Tying Hashes
clearallcache() routine : 7.2.4. Benchmark - Check and Compare Running Times of Code
clearcache() routine : 7.2.4. Benchmark - Check and Compare Running Times of Code
clients, TCP : 6.2.4.1. Internet TCP clients and servers
close function
  3.2.18. close
  6.2.2.1. Anonymous pipes
closedir function
  3.2.19. closedir
  7.2.11. DirHandle - Supply Object Methods for Directory Handles
closelog() : 7.2.63. Sys::Syslog - Perl Interface to UNIX syslog(3) Calls
closures : 4.3.6. Closures
clustering command-line options : 7.2.36. Getopt::Std - Process Single-Character Options with Option Clustering
cmp operator : 3.2.153. sort
code
  effienciency of : 8.3.3. Programmer Efficiency
  examples, obtaining : 8.5.2. Examples
  listing : 8.1.1. Debugger Commands
  perlmain.c : 7.2.20. ExtUtils::Miniperl - Write the C Code for perlmain.c
  reusing
    5.5.8. Thinking of Code Reuse
    8.4. Programming with Style
  running times for : 7.2.4. Benchmark - Check and Compare Running Times of Code
  safe namspaces for : 7.2.51. Safe - Create Safe Namespaces for Evaluating Perl Code
Collate module : 7.2.37. I18N::Collate - Compare 8-bit Scalar Data According to the Current Locale
colon : (see : (colon))
comma : (see , (comma))
comma operator : (see = (equal sign), => operator)
command input operator : (see ` (backtick))
command interpreters : 6.1. Cooperating with Command Interpreters
command-line options
  7.2.35. Getopt::Long - Extended Processing of Command-Line Options
  7.2.36. Getopt::Std - Process Single-Character Options with Option Clustering
commands
  buffering : 2.9.2. Per-Filehandle Special Variables
  command history, debugger and : 8.1.2. Using the Debugger
  for loop control : 2.6.4.4. Loop control
  names for : 1.2.2. Verbs
  Perl debugger : 8.1.1. Debugger Commands
  processing : 6.1.1. Command Processing
  shell : 7.2.56. Shell - Run Shell Commands Transparently Within Perl
comments
  2.4.1.4. Regular expression extensions
  8.2.4. C Traps
  # (sharp) for : 2.4. Pattern Matching
comp.lang.perl newsgroups : Usenet Newsgroups
comparing
  in awk, versus in Perl : 6.4.2.2. a2p
  setting character set for : 7.2.37. I18N::Collate - Compare 8-bit Scalar Data According to the Current Locale
  strings : 8.2.1. Universal Blunders
comparison operators
  1.5.6. Comparison Operators
  2.5.12. Equality Operators
  7.2.48.3. Overloadable operations
  sort function and : 3.2.153. sort
compiler for Perl : 6.4.3. Translation to Other Languages
compiler hints : 2.9.3. Global Special Variables
compiler limits : (see pragmas)
complementation : (see negation)
Complete() : 7.2.65. Term::Complete - Word Completion Module
completion : 7.2.65. Term::Complete - Word Completion Module
Complex module : 7.2.44. Math::Complex - Complex Numbers Package
Comprehensive Perl Archive Network (CPAN)
  7.1. Beyond the Standard Library
  How to Get Perl
concatenation (.) operator
  1.5.2. String Operators
  2.5.8. Additive Operators
  8.2.3. Awk Traps
  8.3.1. Time Efficiency
conditional (?:) operator : 2.5.16. Conditional Operator
conditional statements : (see if statements)
confess() routine : 7.2.5. Carp - Generate Error Messages
Config module : 7.2.6. Config - Access Perl Configuration Information
configuration
  accessing information about : 7.2.6. Config - Access Perl Configuration Information
  GetOptions() : 7.2.35.6. Configuration variables
connect function : 3.2.20. connect
connection, shutting down : 3.2.148. shutdown
constants, POSIX module : 7.2.49.3. Pathname constants
constructors
  4.2.5. Object Constructors
  5.3.1. Brief Refresher on Object-Oriented Programming
  5.3.3. An Object Is Simply a Referenced Thingy
  inheriting : 5.5.10. Inheriting a Constructor
containment : 5.5.5. Containment (the "Has-a" Relationship)
context
  (see also list context; scalar context)
  2.3.3. Context
continuation lines
  2.6.4.4. Loop control
  2.9.3. Global Special Variables
continue block
  (see also loops)
  2.6.4.1. While statements
  2.6.4.4. Loop control
continue command (in C) : 8.2.4. C Traps
control characters
  2.3.2.2. String literals
  2.4.1.2. The rules of regular expression matching
control structures : 1.6. Control Structures
converting
  ASCII value to character : 3.2.16. chr
  between languages
    6.4.2. Translation from Other Languages
    8.5.1. Translation from Awk and Sed
  character to ASCII value : 3.2.104. ord
  decimal numbers to hexadecimal : 3.2.156. sprintf
  decimal numbers to octal : 3.2.156. sprintf
  hexadecimal numbers to decimal : 3.2.73. hex
  list values to strings
    3.2.78. join
    3.2.105. pack
  octal numbers to decimal : 3.2.101. oct
  POD data to ASCII text : 7.2.50. Pod::Text - Convert POD Data to Formatted ASCII Text
  strings to list values
    3.2.155. split
    3.2.182. unpack
  time
    3.2.70. gmtime
    3.2.88. localtime
copy constructor : 7.2.48.6. Copy constructor
Copy module : 7.2.29. File::Copy - Copy Files or Filehandles
core files
  3.2.29. dump
  6.1.2. Switches
cos function : 3.2.21. cos
cosines : 3.2.21. cos
CPAN (Comprehensive Perl Archive Network)
  7.1. Beyond the Standard Library
  How to Get Perl
CPU time
  3.2.174. times
  7.2.4.1. Notes
creation time : (see modification time, file)
croak() routine : 7.2.5. Carp - Generate Error Messages
crypt function : 3.2.22. crypt
cryptography : 3.2.158. srand
$ctime file statistic : 3.2.159. stat
CTRL-D key
  2.3.2.7. Other literal tokens
  7.2.65. Term::Complete - Word Completion Module
CTRL-U key : 7.2.65. Term::Complete - Word Completion Module
CTRL-Z key : 2.3.2.7. Other literal tokens
curly braces
  (see {} (braces))
  (see {})
customizating debugger : 8.1.3. Debugger Customization
Cwd module : 7.2.7. Cwd - Get Pathname of Current Working Directory

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