std::calloc
Da cppreference.com
 | This page has been machine-translated from the English version of the wiki using Google Translate. The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
Definido no cabeçalho <cstdlib> | ||
void* calloc(std::size_t num, std::size_t size ); | ||
Aloca memória para uma matriz de objetos de
numsize tamanho e zero-inicializa-lo. Original:
Allocates memory for an array of
num objects of size size and zero-initializes it. 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.
Se a alocação for bem sucedida, retorna um ponteiro para o byte mais baixo (primeiro) no bloco de memória alocada que é adequadamente alinhado para qualquer tipo de objeto.
Original:
If allocation succeeds, returns a pointer to the lowest (first) byte in the allocated memory block that is suitably aligned for any object type.
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.
Se
size é zero, o comportamento é implementação definida (ponteiro nulo pode ser devolvida, ou algum ponteiro não nulo pode ser retornado que não pode ser utilizado para aceder a armazenamento)Original:
If
size is zero, the behavior is implementation defined (null pointer may be returned, or some non-null pointer may be returned that may not be used to access storage)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.
Índice |
[editar]Parâmetros
| num | - | número de objetos Original: number of objects The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| size | - | tamanho de cada objeto Original: size of each object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[editar]Valor de retorno
Ponteiro para o início da memória recém-alocado ou NULL se o erro ocorreu. O ponteiro deve ser desalocado com
free().Original:
Pointer to the beginning of newly allocated memory or NULL if error has occurred. The pointer must be deallocated with
free().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.
[editar]Notas
Devido aos requisitos de alinhamento, o número de bytes atribuídos não é necessariamente igual a
num*size.Original:
Due to the alignment requirements, the number of allocated bytes is not necessarily equal to
num*size.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.
[editar]Exemplo
| Esta seção está incompleta Motivo: sem exemplo |
[editar]Veja também
Documentação C para calloc |
