std::fwrite - cppreference.com

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Definido no cabeçalho `<cstdio>`

`int fwrite( const void* buffer, std::size_t size, std::size_t count, std::FILE* stream );`

Writes up to count objects from the given array buffer to the output stream stream as if by reinterepreting each object as an array of unsigned char and calling std::fputc size times for each object to write those unsigned chars into stream, in order. The file position indicator for the stream is advanced by the number of characters written.

Se os objetos não são TriviallyCopyable, o comportamento é indefinido.

Original:

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Se ocorrer um erro, o valor resultante do indicador de posição de arquivo do fluxo é

Original:

If an error occurs, the resulting value of the file position indicator for the stream is

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indeterminate.

Parâmetros

buffer	-	ponteiro para o objeto primeiro objeto na matriz a ser escrito Original: pointer to the first object object in the array to be written 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.
count	-	o número de objetos a serem escritos Original: the number of the objects to be written The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valor de retorno

Number of objects written successfully, which may be less than count if an error occurred.

Se size ou count é zero, fwrite retorna zero e não executa nenhuma outra ação.

Original:

If size or count is zero, fwrite returns zero and performs no other action.

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Exemplo

Veja também


printf fprintf sprintf snprintf (C++11)	impressões saída formatada para stdout, um fluxo de arquivo ou um tampão Original: prints formatted output to stdout, a file stream or a buffer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função) [edit]

fputs	escreve uma seqüência de caracteres para um fluxo de arquivo Original: writes a character string to a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função) [edit]

fread	lê um arquivo Original: reads from a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função) [edit]

Documentação C para fwrite

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