std::strcmp
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| Заголовочный файл <cstring>
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| int strcmp( const char *lhs, const char *rhs ); |
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Сравнивает две строки с нулевым символом байт. Сравнение происходит лексикографически.
Original:
Compares two null-terminated byte strings. The comparison is done lexicographically.
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.
Оба
lhs и rhs должен указывать на допустимые строки.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.
You can help to correct and verify the translation. Click here for instructions.
Содержание |
[править] Параметры
| lhs, rhs | - | указателей на строки с нулевым символом байт для сравнения
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. |
[править] Возвращаемое значение
Отрицательное значение, если
lhs является меньше 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 если
lhs является равно 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.
Положительное значение, если
lhs является больше 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.
[править] Пример
#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'; } }
Вывод:
Garfield Heathcliff Hobbes Snagglepuss
[править] См. также
| сравнивает определенное количество символов двух строк 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. (функция) | |
| сравнивает два буфера 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. (функция) | |
| сравнивает две строки в соответствии с текущей локали 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. (функция) | |
| C документация для strcmp
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