std::streamsize
Defined in header <ios> | ? | ? |
|---|---|---|
typedef /*unspecified*/ streamsize; | ? | ? |
类型std::streamsize表示I/O操作中传输的字符数或I/O缓冲区大小的带符号整型。它用作std::size_t，类似于POSIX类型ssize_t...
除在std::strstreambuf的负值std::streamsize从未被使用过。
另见
gcount | returns number of characters extracted by last unformatted input operation (public member function of std::basic_istream) |
|---|---|
ignore | extracts and discards characters until the given character is found (public member function of std::basic_istream) |
read | extracts blocks of characters (public member function of std::basic_istream) |
write | inserts blocks of characters (public member function of std::basic_ostream) |
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