debian man page for open_rw

open_rw(3)						     Library Functions Manual							open_rw(3)

NAME
       open_rw - open a file for reading and writing

SYNTAX
       #include <open.h>

       int open_rw(const char *filename);

DESCRIPTION
       open_rw	opens  the  file filename for reading and writing 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_rw returns -1 and sets errno accordingly.

SEE ALSO
       open(2)

																	open_rw(3)