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Closes the given file stream. Any unwritten buffered data are flushed to the OS. Any unread buffered data are discarded. Whether or not the operation succeeds, the stream is no longer associated with a file, and the buffer allocated by setbuf or setvbuf, if any, is also disassociated and deallocated if automatic allocation was used.
The fclose () function flushes the stream pointed to by stream (writing any buffered output data using fflush (3)) and closes the underlying file descriptor. RETURN VALUE top. Upon successful completion, 0 is returned. Otherwise, EOF is returned and errno is set to indicate the error.
<cstdio> fclose. int fclose ( FILE * stream ); Close file. Closes the file associated with the stream and disassociates it. All internal buffers associated with the stream are disassociated from it and flushed: the content of any unwritten output buffer is written and the content of any unread input buffer is discarded.
The C library fclose() function is used to close an open file stream. It closes the stream and all buffers are flushed. Syntax. Following is the C library syntax of the fclose() function −. int fclose(FILE *stream); Parameters. This function accepts only a single parameter −
In C language, fclose() is a standard library function used to close a file that was previously opened using fopen(). This function is the itegral part of the file handling in C which allows the users to free the memory occupied by the file once all the operations are done on it.
std:: fclose. Closes the given file stream. Any unwritten buffered data are flushed to the OS. Any unread buffered data are discarded. Whether or not the operation succeeds, the stream is no longer associated with a file, and the buffer allocated by std::setbuf or std::setvbuf, if any, is also disassociated and deallocated if automatic ...
The _fcloseall function closes all open streams except stdin, stdout, stderr (and, in MS-DOS, _stdaux and _stdprn). It also closes and deletes any temporary files created by tmpfile. In both functions, all buffers associated with the stream are flushed prior to closing.
When a stream is closed with fclose, the connection between the stream and the file is canceled. After you have closed a stream, you cannot perform any additional operations on it. Function: int fclose (FILE *stream) ¶.
fclose. Defined in header <stdio.h> int fclose( FILE *stream ); Closes the given file stream. Any unwritten buffered data are flushed to the OS. Any unread buffered data are discarded.
In the C Programming Language, the fclose function closes a stream pointed to by stream. The fclose function flushes any unwritten data in the stream's buffer.