open_write - open a file for writing

       open_write  opens the file filename for write-only use and returns the file handle.  If the file does not
       exist, it will be created with mode 0644.  If there was an error opening or creating the file, open_write
       returns -1 and sets errno accordingly.

       open_write - open a file for writing

open(2)

                                                                                                   open_write(3)

#include<libowfat/open.h>

       int open_write(const char *filename);