std::strcmp
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| Elemento definito nell'header <cstring>
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| int strcmp( const char *lhs, const char *rhs ); |
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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.
You can help to correct and verify the translation. Click here for instructions.
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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 meno rhs.Original:
Negative value if
lhs is less than rhs.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 a rhs.Original:
0 if
lhs is equal to rhs.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.
Valore positivo se
lhs è superiore rhs.Original:
Positive value if
lhs is greater than rhs.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.
[modifica] Esempio
#include <vector> #include <cstring> #include <algorithm> #include <iostream> int main() { std::vector<const char*> cats {"Heathcliff", "Snagglepuss", "Hobbes", "Garfield"}; std::sort(cats.begin(), cats.end(), [](const char *strA, const char *strB) { return std::strcmp(strA, strB) < 0; }); for (const char *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
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