debian man page for open_append

open_append(3)						     Library Functions Manual						    open_append(3)

NAME
       open_append - open a file for appending

SYNTAX
       #include <open.h>

       int open_append(const char *filename);

DESCRIPTION
       open_append  opens  the	file  filename for appending write-only use and returns the file handle.  If it does not exist, it will be created
       with mode 0600.	If there was an error opening or creating the file, open_append returns -1 and sets errno accordingly.

       All write operations will append after the last byte, regardless of previous calls to lseek(2) or other processes  also	appending  to  the
       same file.

SEE ALSO
       open(2)

																    open_append(3)