open_append − open a file for appending
#include <libowfat/open.h>
int open_append(const char *filename);
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.
open(2), open_excl(3), open_read(3), open_rw(3), open_trunc(3), open_write(3), openreadclose(3), readclose(3), readclose_append(3)