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std::basic_streambuf::seekpos

性病：基本[医]Streambuf：：pubSekpos，std：：basic[医]流光：：寻觅者

pos_type pubseekpos( pos_type pos, ios_base::openmode which = ios_base::in | ios_base::out (1)​
protected: virtual pos_type seekpos( pos_type pos, ios_base::openmode which = ios_base::in | ios_base::out(2)​

将输入和/或输出序列的位置指示器设置为绝对位置。

1%29次电话seekpos(pos, which)最派生的类。

2%29此函数的基类版本没有任何影响。派生类可以重写此函数以允许位置指示器的绝对定位。

参数

pos-absolute position to set the position indicator to.
which-defines which of the input and/or output sequences to affect. It can be one or a combination of the following constants: Constant Explanation in affect the input sequence out affect the output sequence
ConstantExplanation
inaffect the input sequence
outaffect the output sequence

返回值

1%29seekpos(pos, which)...

2%29由位置指示器定义的最终绝对位置。基类版本返回pos_type(off_type(-1))...

例

另见

pubseekoffinvokes seekoff() (public member function)

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