std::strcmp
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Elemento definito nell'header <cstring> | ||
int strcmp(constchar*lhs, constchar*rhs ); | ||
Confronta due stringhe con terminazione null byte. Il confronto è fatto lessicografico.
Original:
Compares two null-terminated byte strings. The comparison is done lexicographically.
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Sia
lhs e rhs dovrebbe puntare a stringhe valide.Original:
Both
lhs and rhs should point to valid strings.The text has been machine-translated via Google Translate.
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Indice |
[modifica]Parametri
| lhs, rhs | - | puntatori alle stringhe con terminazione null byte da confrontare Original: pointers to the null-terminated byte strings to compare The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[modifica]Valore di ritorno
Valore negativo se
lhs è menorhs.Original:
Negative value if
lhs is less thanrhs.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
0 se
lhs è pari arhs.Original:
0 if
lhs is equal torhs.The text has been machine-translated via Google Translate.
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You can help to correct and verify the translation. Click here for instructions.
Valore positivo se
lhs è superiorerhs.Original:
Positive value if
lhs is greater thanrhs.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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[modifica]Esempio
#include <vector>#include <cstring>#include <algorithm>#include <iostream> int main(){std::vector<constchar*> cats {"Heathcliff", "Snagglepuss", "Hobbes", "Garfield"};std::sort(cats.begin(), cats.end(), [](constchar*strA, constchar*strB){return std::strcmp(strA, strB)<0;}); for(constchar*cat : cats){std::cout<< cat <<'\n';}}
Output:
Garfield Heathcliff Hobbes Snagglepuss
[modifica]Vedi anche
confronta una certa quantità di caratteri di due stringhe Original: compares a certain amount of characters of two strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione) | |
mette a confronto due buffer Original: compares two buffers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione) | |
confronta due stringhe in accordo con i parametri locali Original: compares two strings in accordance to the current locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione) | |
C documentation for strcmp | |
