Provided by: libmongoc-doc_1.21.0-1build1_all 

NAME
mongoc_optional_t - mongoc_optional_t A struct to store optional boolean values.
SYNOPSIS
Used to specify optional boolean flags, which may remain unset. This is used within mongoc_server_api_t to track whether a flag was explicitly set.
AUTHOR
MongoDB, Inc
COPYRIGHT
2017-present, MongoDB, Inc 1.21.0 Feb 09, 2022 MONGOC_OPTIONAL_T(3)