If fopen cannot open the file (filename mistyped, file does not exist in the current directory (folder), or we have no permission to open the file, etc) then a.We know that there is a problem because the next fprintf fails b.fopen issues a standard matlab error explaining the problem c.The file will always be created if it does not exist and fopen always opens a file. It is the responsibility of the programmer to make sure that the file is indeed what he intended d. fopen returns -1 and we know there is a problem and fix it
If fopen cannot open the file (filename mistyped, file does not exist in the current directory (folder), or we have no permission to open the file, etc) then
C string containing the name of the file opened. If supported by the system value shall follow the file name blueprints of the running environment and can include a path. Opens the file whose name is defined in the parameter filename and links it with a stream that can be recognized in future operations by the FILE pointer returned.
The mode parameter defines that necessary performance is done to processes that are allowed on the stream. The returned stream is fully buffered by default if it is known to not refer to an interactive device.The returned pointer can be disassociated from the file by calling fclose or freopen. All opened files are automatically closed on regular program end.
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