C language

<metanoindex/>

 

C

Lingua

Tipo di supporto

Gestione della memoria dinamica

La gestione degli errori

Programma di utilità

Data e ora utilità

Stringhe libreria

Algoritmi

Numeri

Ingresso / uscita supporto

Localizzazione supporto

Thread di supporto (C11)

Operazioni atomiche (C11)

 

Linguaggio C

Temi generali Original: General topics The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Preprocessore
Commenti
Parole chiave
Tabella ASCII
Sequenze di escape
Storia di C
Controllo del flusso Original: Flow control The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Dichiarazioni esecuzione condizionale Original: Conditional execution statements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
if statement	switch statement
Iterazione dichiarazioni Original: Iteration statements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
for loop	while loop do-while loop
Vai dichiarazioni Original: Jump statements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
continue statement break statement	goto statement return statement
Funzioni Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
dichiarazione di funzione
specificatore inline
Tipi Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
tipi fondamentali puntatore tipi composti tipi enumerazione tipi	sindacali tipi tipi di funzione
Specifiers Original: Specifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
cv specificatori
della classe di archiviazione specificatori
alignas specificatore (C99)
Letterali Original: Literals The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
letterali interi caratteri letterali virgola mobile letterali	stringhe letterali letterali booleani(C99)
Espressioni Original: Expressions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ordine di valutazione
operatori alternativi
operatori
precedenza degli operatori
Utilities Original: Utilities The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
typedef declaration
attributi (C99)
getta
Varie Original: Miscellaneous The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Montaggio in linea

 

This is a brief reference of available C constructs.

Controllo del flusso

Dichiarazioni esecuzione condizionale

Different code paths are executed according to the value of given expression

• if esegue il codice condizionale

  Original:

  if executes code conditionally

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• switch esegue codice secondo il valore di un argomento integrale

  Original:

  switch executes code according to the value of an integral argument

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Iterazione dichiarazioni

The same code is executed several times

• for executes loop
• while esegue ciclo, controllando condizione prima di ogni iterazione

  Original:

  while executes loop, checking condition before each iteration

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• do-while

  Original:

  do-while

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  esegue ciclo, controllando condizione dopo ogni iterazione

  Original:

  do-while

  Original:

  do-while

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  executes loop, checking condition after each iteration

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Vai dichiarazioni

Continue execution at a different location

• continue salta la restante parte del corpo del ciclo racchiude

  Original:

  continue skips the remaining part of the enclosing loop body

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• break termina il ciclo di inclusione

  Original:

  break terminates the enclosing loop

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• goto continua l'esecuzione in un altro luogo

  Original:

  goto continues execution in another location

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• return termina l'esecuzione della funzione di inclusione

  Original:

  return terminates execution of the enclosing function

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Funzioni

The same code can be reused at different locations in the program

• dichiarazione di funzione

  Original:

  function declaration

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  declares a function
• specificatore inline

  Original:

  inline specifier

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  hints the compiler to insert a function's body directly into the calling code

Tipi

• tipi fondamentali

  Original:

  fundamental types

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  defines basic character, integer and floating point types
• puntatore tipi

  Original:

  pointer types

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  , holding a memory location
• composti tipi

  Original:

  compound types

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  defines types, holding several data members (essentially the same as class)
• enumerazione tipi

  Original:

  enumeration types

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  defines types, that are able to hold only one of the specified values
• sindacali tipi

  Original:

  union types

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  defines types, that can hold data in several representations
• tipi di funzione

  Original:

  function types

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  definire firme chiamata di funzione, che è il tipo di argomenti e il tipo restituito

  Original:

  tipi di funzione

  Original:

  function types

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  define function call signatures, that is the types of arguments and the return type

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Specifiers

• cv specificatori

  Original:

  cv specifiers

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  specifies constness and volatility of a type
• della classe di archiviazione specificatori

  Original:

  storage-class specifiers

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  specifies storage duration and linkage of a type
• alignas specificatore

  Original:

  alignas specifier

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  specifica che la memoria per la variabile deve essere allineato con (dal C99) importo specifico

  Original:

  alignas specificatore

  Original:

  alignas specifier

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  specifies that the storage for the variable should be aligned by specific amount (dal C99)

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Letterali

Literals are the tokens of a C program that represent constant values, embedded in the source code.

• letterali interi

  Original:

  integer literals

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  sono decimale, ottale, o numeri esadecimali di tipo intero.

  Original:

  letterali interi

  Original:

  integer literals

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  are decimal, octal, or hexadecimal numbers of integer type.

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• caratteri letterali

  Original:

  character literals

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  are individual characters of type char, char16_t, char32_t, or wchar_t.
• virgola mobile letterali

  Original:

  floating-point literals

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  sono valori di tipo float, double, o long double

  Original:

  virgola mobile letterali

  Original:

  floating-point literals

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  are values of type float, double, or long double

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• stringhe letterali

  Original:

  string literals

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  are sequences of characters, which may be narrow, multibyte, or wide.
• letterali booleani

  Original:

  boolean literals

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  are values of type bool, that is true and false (dal C99)
• definito dall'utente letterali

  Original:

  user-defined literals

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  sono valori costanti di utenti specificato (dal C99) tipo

  Original:

  definito dall'utente letterali

  Original:

  user-defined literals

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  are constant values of user-specified type (dal C99)

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Espressioni

Un'espressione è una sequenza di operatori e operandi che specifica un calcolo. Un'espressione può comportare un valore e può causare effetti indesiderati.

Original:

An expression is a sequence of operators and operands that specifies a computation. An expression can result in a value and can cause side effects.

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• ordine di valutazione

  Original:

  order of evaluation

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  of arguments and subexpressions specified the order in which intermediate results are obtained.
• operators consentire l'uso di sintassi che si trovano comunemente in matematica

  Original:

  operators allow the use of syntax commonly found in mathematics

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Common operators
assegnazione	incrementNJdecrement	aritmetica	logico	confronto	memberNJaccess	altra
a = b a += b a -= b a *= b a /= b a %= b a &= b a |= b a ^= b a <<= b a >>= b	++a --a a++ a--	+a -a a + b a - b a * b a / b a % b ~a a & b a | b a ^ b a << b a >> b	!a a && b a || b	a == b a != b a < b a > b a <= b a >= b	a[b] *a &a a->b a.b	a(...) a, b (type) a ? : sizeof

• precedenza degli operatori

  Original:

  operator precedence

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  the order in which operators are bound to their arguments
• rappresentazioni alternative

  Original:

  alternative representations

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  alternative spellings for some of the operators

Utilities

, Tipi

Original:

; Types

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• dichiarazione typedef

  Original:

  typedef declaration

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  creates a synonym for a type
• attributi

  Original:

  attributes

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  defines additional information about variable (dal C99)

, Lancia

Original:

; Casts

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• conversioni standard

  Original:

  standard conversions

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  conversioni implicite da un tipo ad un altro

  Original:

  conversioni standard

  Original:

  standard conversions

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  implicit conversions from one type to another

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Varie

• Montaggio in linea

  Original:

  Inline assembly

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