/* Mark the file as following CF-1.0 conventions. */
int nccf_def_convention(int ncid);
/* Determine if the file follows CF-1.0 conventions. */
int nccf_inq_convention(int ncid, int *cf_convention);
/* Add some or all of the CF recomended text attributes to a
* file. Timestamp will be added to history. If history attribute
* already exists, this history value will be appended. */
int nccf_def_file(int ncid, const char *title, const char *history);
/* Read any existing CF recomended text attributes from the
* file. The history will get a timestamp. */
int nccf_inq_file(int ncid, size_t *title_lenp, char *title,
size_t *history_lenp, char *history);
/* Append to the global "history" attribute, with a timestamp. */
int nccf_add_history(int ncid, const char *history);