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      std::strcmp

      Da cppreference.com
      < cpp‎ | string‎ | byte

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      C++
       
      Biblioteca cordas
      Strings terminadas
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      Null-terminated strings
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      Cadeias de bytes
      Multibyte cordas
      Cordas de largura
      Classes
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      Classes
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      Cordas de terminação nula de bytes
      Funções
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      Functions
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      Manipulação personagem
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      Character manipulation
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      Conversões para formatos numéricos
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      Conversions to numeric formats
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      Manipulação de cadeia
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      String manipulation
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      Exame String
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      String examination
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      Manipulação de memória
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      Memory manipulation
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      Diversos
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      Miscellaneous
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      Definido no cabeçalho <cstring>
      int strcmp(constchar*lhs, constchar*rhs );
      Compara duas seqüências de terminação nula de bytes. A comparação é feita lexicographically.
      Original:
      Compares two null-terminated byte strings. The comparison is done lexicographically.
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      Ambos lhs e rhs deve apontar para strings válidas.
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      Both lhs and rhs should point to valid strings.
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      Índice

      [editar]Parâmetros

      lhs, rhs -
      ponteiros para as cordas de terminação nula de bytes para comparar
      Original:
      pointers to the null-terminated byte strings to compare
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      [editar]Valor de retorno

      Valor negativo se lhs é menosrhs.
      Original:
      Negative value if lhs is less thanrhs.
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      ​0​ se lhs é igualrhs.
      Original:
      ​0​ if lhs is equal torhs.
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      Valor positivo se lhs é maiorrhs.
      Original:
      Positive value if lhs is greater thanrhs.
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      [editar]Exemplo

      #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';}}

      Saída: 

      Garfield Heathcliff Hobbes Snagglepuss

      [editar]Veja também

      compara uma certa quantidade de caracteres de duas cordas
      Original:
      compares a certain amount of characters of two strings
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      (função)[edit]
      compara dois buffers
      Original:
      compares two buffers
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      (função)[edit]
      compara duas seqüências de acordo com a localidade
      Original:
      compares two strings in accordance to the current locale
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      (função)[edit]
      Documentação C para strcmp
      Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/string/byte/strcmp&oldid=21729"
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