Provided by: libmongoc-doc_1.3.1-1_all 

NAME
mongoc_gridfs_find_one() - This function shall execute a query on the underlying gridfs implementation. The first file matching query will be returned.
SYNOPSIS
mongoc_gridfs_file_t * mongoc_gridfs_find_one (mongoc_gridfs_t *gridfs, const bson_t *query, bson_error_t *error);
PARAMETERS
gridfs A mongoc_gridfs_t \&. query A bson_t \&. error An optional location for a bson_error_t or NULL \&.
DESCRIPTION
This function shall execute a query on the underlying gridfs implementation. The first file matching query will be returned.
ERRORS
Errors are propagated via the error parameter.
RETURNS
A newly allcoated mongoc_gridfs_file_t or NULL if no file could be found. You must free the resulting file with mongoc_gridfs_file_destroy(3) if non‐NULL.
COLOPHON
This page is part of MongoDB C Driver. Please report any bugs at https://jira.mongodb.org/browse/CDRIVER.