SYNOPSIS
mongoc_read_prefs_t *
mongoc_read_prefs_copy (const mongoc_read_prefs_t *read_prefs);
PARAMETERS
- read_prefs
- A mongoc_read_prefs_t \&.
DESCRIPTION
This function shall deep copy a read preference.
RETURNS
Returns a newly allocated read preference that should be freed with mongoc_read_prefs_destroy(3) \&.