如题所述
feof()的参数是一个文件指针．
eof()的参数是一个文件描述符．
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文件操作函数中，名称以f开头的（如fopen(),feof()等)，都是通过缓冲区来进行文件操作的称为流式文件操作．
不是f开头的（如open(),eof()等），都是直接文件操作函数．
eof()的参数是一个文件描述符．
************************************************
文件操作函数中，名称以f开头的（如fopen(),feof()等)，都是通过缓冲区来进行文件操作的称为流式文件操作．
不是f开头的（如open(),eof()等），都是直接文件操作函数．
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第1个回答 2008-08-08
all the messages
feof
Tests for end-of-file on a stream.
The feof function returns a nonzero value after the first read operation that attempts to read past the end of the file. It returns 0 if the current position is not end of file. There is no error return.
ios::eof
int eof() const;
Return Value
Returns a nonzero value if end of file has been reached. This is the same as setting the eofbit error flag.
basic_ios::eof
bool eof() const;
The member function returns true if rdstate() & eofbit.
char_traits::eof
static int_type eof();
The static member function returns a value that represents end-of-file (such as EOF or WEOF). If the value is also representable as type E, it must correspond to no valid value of that type.
feof
Tests for end-of-file on a stream.
The feof function returns a nonzero value after the first read operation that attempts to read past the end of the file. It returns 0 if the current position is not end of file. There is no error return.
ios::eof
int eof() const;
Return Value
Returns a nonzero value if end of file has been reached. This is the same as setting the eofbit error flag.
basic_ios::eof
bool eof() const;
The member function returns true if rdstate() & eofbit.
char_traits::eof
static int_type eof();
The static member function returns a value that represents end-of-file (such as EOF or WEOF). If the value is also representable as type E, it must correspond to no valid value of that type.
