Provided by: libmongoc-doc_1.22.1-1_all 
NAME
mongoc_read_prefs_copy - mongoc_read_prefs_copy()
SYNOPSIS
mongoc_read_prefs_t *
mongoc_read_prefs_copy (const mongoc_read_prefs_t *read_prefs)
BSON_GNUC_WARN_UNUSED_RESULT;
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().
AUTHOR
MongoDB, Inc
COPYRIGHT
2017-present, MongoDB, Inc