Namespace
Varianti

std::strpbrk

Da cppreference.com.
< cpp‎ | string‎ | byte

 
 
Stringhe libreria
Null-stringhe terminate
Original:
Null-terminated strings
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Byte stringhe
Multibyte stringhe
Stringhe larghe
Classi
Original:
Classes
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basic_string
char_traits
 
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
 
Defined in header <cstring>
const char* strpbrk( const char* dest, const char* str );
      char* strpbrk(       char* dest, const char* str );
Trova il primo carattere nella stringa di byte puntato da dest, che è anche nella stringa di byte puntato da str.
Original:
Finds the first character in byte string pointed to by dest, that is also in byte string pointed to by str.
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Indice

[modifica] Parametri

dest -
puntatore alla stringa con terminazione null byte da analizzare
Original:
pointer to the null-terminated byte string to be analyzed
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str -
puntatore alla stringa con terminazione null byte che contiene i caratteri da cercare
Original:
pointer to the null-terminated byte string that contains the characters to search for
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[modifica] Valore di ritorno

Puntatore al primo carattere dest, che è anche in str, o NULL se nessun personaggio esiste.
Original:
Pointer to the first character in dest, that is also in str, or NULL if no such character exists.
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[modifica] Esempio

#include <cstdio>
#include <cstring>
 
int main() 
{
    char* input = "hello world friend of mine";
    char* space = " ";
    char* pos = input;
    int word_counter = 0;
 
    do {
        pos = std::strpbrk(pos, space);
        word_counter++;
        pos ? pos++ : pos;
        std::printf("%d\n", word_counter);
    } while (pos != NULL);
};

Output:

1
2
3
4
5

[modifica] Vedi anche

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 occorrenza di un carattere
Original:
finds the first occurrence of a character
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(funzione) [edit]
C documentation for strpbrk