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Null-terminated byte strings

Da cppreference.com.
< c‎ | string

 
 
 
Null-stringhe terminate byte
Funzioni
Original:
Functions
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Carattere manipolazione
Original:
Character manipulation
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Le conversioni in formati numerici
Original:
Conversions to numeric formats
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Della gestione delle stringhe
Original:
String manipulation
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strcpy
strncpy
strcat
strncat
strxfrm
String esame
Original:
String examination
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Memoria manipolazione
Original:
Memory manipulation
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memchr
memcmp
memset
memcpy
memmove
Varie
Original:
Miscellaneous
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strerror
 
Terminazione Null stringa di byte (NTB) è una sequenza di byte diversi da zero seguito da un byte con valore pari a zero (il carattere nullo di terminazione). Ogni byte in una stringa di byte codifica un carattere di alcuni set di caratteri. Ad esempio, il {'\x63','\x61','\x74','\0' array di caratteri} è un NTB che fissano la "cat" stringa in codifica ASCII.
Original:
A null-terminated byte string (NTBS) is a sequence of nonzero bytes followed by a byte with value zero (the terminating null character). Each byte in a byte string encodes one character of some character set. For example, the character array {'\x63','\x61','\x74','\0'} is an NTBS holding the string "cat" in ASCII encoding.
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Indice

[modifica] Funzioni

Carattere classificazione
Original:
Character classification
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Defined in header <ctype.h>
Verifica se un carattere è alfanumerico
Original:
checks if a character is alphanumeric
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(funzione) [edit]
Verifica se un carattere è alfabetico
Original:
checks if a character is alphabetic
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(funzione) [edit]
Verifica se un carattere è minuscolo
Original:
checks if a character is lowercase
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(funzione) [edit]
Verifica se un carattere è un carattere maiuscolo
Original:
checks if a character is an uppercase character
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(funzione) [edit]
Verifica se un carattere è una cifra
Original:
checks if a character is a digit
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(funzione) [edit]
controlla se un carattere è un carattere esadecimale
Original:
checks if a character is a hexadecimal character
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(funzione) [edit]
Verifica se un carattere è un carattere di controllo
Original:
checks if a character is a control character
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(funzione) [edit]
Verifica se un carattere è un carattere grafico
Original:
checks if a character is a graphical character
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(funzione) [edit]
Verifica se un carattere è un carattere di spazio
Original:
checks if a character is a space character
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(funzione) [edit]
Verifica se un carattere è un carattere vuoto
Original:
checks if a character is a blank character
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(funzione) [edit]
Verifica se un carattere è un carattere di stampa
Original:
checks if a character is a printing character
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(funzione) [edit]
Verifica se un carattere è un carattere di punteggiatura
Original:
checks if a character is a punctuation character
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(funzione) [edit]
Carattere manipolazione
Original:
Character manipulation
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converte un carattere in minuscolo
Original:
converts a character to lowercase
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(funzione) [edit]
converte un carattere in maiuscolo
Original:
converts a character to uppercase
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(funzione) [edit]
ASCII values
(hex)
characters

iscntrl
iswcntrl

isprint
iswprint

isspace
iswspace

isblank
iswblank

isgraph
iswgraph

ispunct
iswpunct

isalnum
iswalnum

isalpha
iswalpha

isupper
iswupper

islower
iswlower

isdigit
iswdigit

isxdigit
iswxdigit

0 - 8 0x00-0x08 control codes (NUL, etc.) ≠0 0 0 0 0 0 0 0 0 0 0 0
9 0x09 tab (\t) ≠0 0 ≠0 ≠0 0 0 0 0 0 0 0 0
10 - 13 0x0A-0x0D whitespaces (\n,\v,\f,\r) ≠0 0 ≠0 0 0 0 0 0 0 0 0 0
14 - 31 0x0E-0x1F control codes ≠0 0 0 0 0 0 0 0 0 0 0 0
32 0x20 space 0 ≠0 ≠0 ≠0 0 0 0 0 0 0 0 0
33 - 47 0x21-0x2F !"#$%&'()*+,-./ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
48 - 57 0x30-0x39 0123456789 0 ≠0 0 0 ≠0 0 ≠0 0 0 0 ≠0 ≠0
58 - 64 0x3a-0x40 :;<=>?@ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
65 - 70 0x41-0x46 ABCDEF 0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 ≠0
71 - 90 0x47-0x5A GHIJKLMNOPQRSTUVWXYZ 0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 0
91 - 96 0x5B-0x60 [\]^_` 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
97 -102 0x61-0x66 abcdef 0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 ≠0
103-122 0x67-0x7A ghijklmnopqrstuvwxyz 0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 0
123-126 0x7B-0x7E {|}~ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
127 0x7F backspace character (DEL) ≠0 0 0 0 0 0 0 0 0 0 0 0
Le conversioni in formati numerici
Original:
Conversions to numeric formats
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Defined in header <stdlib.h>
converte una stringa di byte in un valore in virgola mobile
Original:
converts a byte string to a floating point value
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(funzione) [edit]
converte una stringa di byte in un valore intero
Original:
converts a byte string to an integer value
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(funzione) [edit]
converte una stringa di byte in un valore intero
Original:
converts a byte string to an integer value
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(funzione) [edit]
converte una stringa di byte in un valore intero senza segno
Original:
converts a byte string to an unsigned integer value
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(funzione) [edit]
converte una stringa di byte in un valore in virgola mobile
Original:
converts a byte string to a floating point value
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(funzione) [edit]
Defined in header <inttypes.h>
converte una stringa di byte di intmax_t o intmax_t
Original:
converts a byte string to intmax_t or intmax_t
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(funzione) [edit]
Della gestione delle stringhe
Original:
String manipulation
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Defined in header <string.h>
copia una stringa in un'altra
Original:
copies one string to another
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(funzione) [edit]
copia un certo numero di caratteri da una stringa ad un altro
Original:
copies a certain amount of characters from one string to another
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(funzione) [edit]
concatena due stringhe
Original:
concatenates two strings
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(funzione) [edit]
concatena una certa quantità di caratteri di due stringhe
Original:
concatenates a certain amount of characters of two strings
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(funzione) [edit]
converte una stringa in modo che possa essere utilizzato da funzioni di confronto di stringa
Original:
converts a substring so that it can be used by string comparison functions
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(funzione) [edit]
String esame
Original:
String examination
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Defined in header <string.h>
restituisce la lunghezza di una stringa data
Original:
returns the length of a given string
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(funzione) [edit]
confronta due stringhe
Original:
compares two strings
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(funzione) [edit]
confronta una certa quantità di caratteri di due stringhe
Original:
compares a certain amount of characters of two strings
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(funzione) [edit]
confronta due stringhe in accordo con i parametri locali
Original:
compares two strings in accordance to the current locale
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(funzione) [edit]
trova la prima occorrenza di un carattere
Original:
finds the first occurrence of a character
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(funzione) [edit]
trova l'ultima occorrenza di un carattere
Original:
finds the last occurrence of a character
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(funzione) [edit]
restituisce la lunghezza massima del segmento iniziale che consiste
dei soli caratteri trovati in un'altra stringa di byte
Original:
returns the length of the maximum initial segment that consists
of only the characters found in another byte string
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(funzione) [edit]
restituisce la lunghezza massima del segmento iniziale che consiste
dei soli caratteri non trovati in un'altra stringa di byte
Original:
returns the length of the maximum initial segment that consists
of only the characters not found in another byte string
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(funzione) [edit]
trova la prima posizione di carattere in una stringa, in un'altra stringa
Original:
finds the first location of any character in one string, in another string
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(funzione) [edit]
trova la prima occorrenza di una sottostringa di caratteri
Original:
finds the first occurrence of a substring of characters
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(funzione) [edit]
trova il prossimo token in una stringa di byte
Original:
finds the next token in a byte string
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(funzione) [edit]
Carattere matrice manipolazione
Original:
Character array manipulation
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Defined in header <string.h>
cerca una matrice per la prima occorrenza di un carattere
Original:
searches an array for the first occurrence of a character
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(funzione) [edit]
mette a confronto due buffer
Original:
compares two buffers
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(funzione) [edit]
riempie un buffer con un carattere
Original:
fills a buffer with a character
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(funzione) [edit]
copia un buffer all'altro
Original:
copies one buffer to another
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(funzione) [edit]
sposta un buffer all'altro
Original:
moves one buffer to another
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(funzione) [edit]
Varie
Original:
Miscellaneous
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Defined in header <string.h>
restituisce una versione di testo di un codice di errore visualizzato
Original:
returns a text version of a given error code
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(funzione) [edit]