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std::memchr

De cppreference.com
< cpp‎ | string‎ | byte

 
 
Bibliothèque de chaînes de caractères
Chaînes à zéro terminal
Original:
Null-terminated strings
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Les chaînes d'octets
Chaines multi-octets
Les chaînes étendues
Classes
Original:
Classes
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basic_string
char_traits
 
Chaînes d'octets à zéro terminal
Fonctions
Original:
Functions
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Manipulation caractère
Original:
Character manipulation
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Conversion aux formats numériques
Original:
Conversions to numeric formats
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La manipulation de chaînes
Original:
String manipulation
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strcpy
strncpy
strcat
strncat
strxfrm
Examen chaîne
Original:
String examination
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Manipulation de la mémoire
Original:
Memory manipulation
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memchr
memcmp
memset
memcpy
memmove
Divers
Original:
Miscellaneous
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strerror
 
Defined in header <cstring>
const void* memchr( const void* ptr, int ch, std::size_t count );
      void* memchr(       void* ptr, int ch, std::size_t count );
Convertit ch à unsigned char et localise la première occurrence de cette valeur dans les caractères count initiales (chaque interprété comme unsigned char) de l'objet pointé par ptr .
Original:
Converts ch to unsigned char and locates the first occurrence of that value in the initial count characters (each interpreted as unsigned char) of the object pointed to by ptr.
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Sommaire

[modifier] Paramètres

ptr -
pointeur vers l'objet à examiner
Original:
pointer to the object to be examined
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ch -
de caractères à rechercher
Original:
character to search for
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count -
nombre de caractères à examiner
Original:
number of characters to examine
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[modifier] Retourne la valeur

Pointeur à l'endroit du personnage, ou NULL si aucune correspondance n'est trouvée .
Original:
Pointer to the location of the character, or NULL if no such character is found.
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[modifier] Exemple

[modifier] Voir aussi

trouve la première occurrence d'un caractère
Original:
finds the first occurrence of a character
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(fonction) [edit]
trouve le premier élément répondant à des critères spécifiques
Original:
finds the first element satisfying specific criteria
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(fonction générique) [edit]
C documentation for memchr