Method close
close(int)
Closes the file descriptor, releasing the associated system resources.
public static extern int close(int fd)
Parameters
fdintThe file descriptor to close. Must be a valid, open file descriptor.
Returns
- int
Returns 0 if the file descriptor was successfully closed; otherwise, returns -1 and sets the errNo to indicate the error.
Remarks
This method is a P/Invoke declaration for the close function
in the C standard library. Ensure that the file descriptor is valid and
not already closed before calling this method.