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使用以指针和长度作为参数的函数写入填充字节（'0'）

[英]Write padding bytes ('0') with a function that takes a pointer and a length as arguments

原文 2013-08-29 09:49:26 0 1 c++

I have a Stream object with a Write(const void *P, size_t size) function. 我有一个带有Write(const void *P, size_t size)函数的Stream对象。 I want to call it to write n Bytes of '0' . 我想称它为n字节写入'0' 。 How would I do that without having to initialize a dummy unsigend char array with 0 and handing a pointer to the Write() function? 我如何做到这一点而不必用0初始化虚拟unsigend char数组并将指针传递给Write()函数？

1 个解决方案

您可以通过调用Write()之外的其他函数来实现此目的，该函数显然无法满足您的要求。

如何编写一个采用不同类型参数的函数？ - How to write a function which takes different type of arguments?

是否有可能编写一个函数来接受带有不同初始化的模板参数 - Is it possible to write a function which takes template arguments with different initialisations

重载的运算符将函数指针作为参数，我该如何检索函数指针的参数 - An overloaded operator takes function pointer as parameter, how do i retrieve arguments of function pointer

将成员函数指针传递给采用带有可变参数的MFP的函数时，类型不匹配 - Type mismatch when passing member function pointer to a function that takes MFP with variadic arguments

如何定义一个函数指针，该函数指针具有与给定函数相同的参数并返回值？ - How can I define a function pointer that takes the same arguments and return value as a given function?

Function 指针指向采用 function 指针的 function - Function pointer pointing to a function that takes a function pointer

模拟函数，参数为指针 - Mock function with arguments as pointer

指向参数减少的函数的指针 - Pointer to a function with reduced arguments

带有模板参数的函数指针 - Pointer to function with template arguments

具有默认参数的函数指针 - Pointer to function with default arguments

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相关问题 如何编写一个采用不同类型参数的函数？ - How to write a function which takes different type of arguments? 是否有可能编写一个函数来接受带有不同初始化的模板参数 - Is it possible to write a function which takes template arguments with different initialisations 重载的运算符将函数指针作为参数，我该如何检索函数指针的参数 - An overloaded operator takes function pointer as parameter, how do i retrieve arguments of function pointer 将成员函数指针传递给采用带有可变参数的MFP的函数时，类型不匹配 - Type mismatch when passing member function pointer to a function that takes MFP with variadic arguments 如何定义一个函数指针，该函数指针具有与给定函数相同的参数并返回值？ - How can I define a function pointer that takes the same arguments and return value as a given function? Function 指针指向采用 function 指针的 function - Function pointer pointing to a function that takes a function pointer 模拟函数，参数为指针 - Mock function with arguments as pointer 指向参数减少的函数的指针 - Pointer to a function with reduced arguments 带有模板参数的函数指针 - Pointer to function with template arguments 具有默认参数的函数指针 - Pointer to function with default arguments

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