bson_get_version (3) Linux Manual Page
bson_get_version() – A string representation of Libbson’s version, formatted something like "1.2.3" or "1.2.3-dev".
Synopsis
const char *
bson_get_version (void);
bson_get_version() – A string representation of Libbson’s version, formatted something like "1.2.3" or "1.2.3-dev".
const char *
bson_get_version (void);