Provided by: libmongoc-doc_1.9.2+dfsg-1build1_all 

NAME
mongoc_gridfs_file_writev - mongoc_gridfs_file_writev()
SYNOPSIS
ssize_t
mongoc_gridfs_file_writev (mongoc_gridfs_file_t *file,
const mongoc_iovec_t *iov,
size_t iovcnt,
uint32_t timeout_msec);
PARAMETERS
• file: A mongoc_gridfs_file_t.
• iov: An array of mongoc_iovec_t.
• iovcnt: The number of elements in iov.
• timeout_msec: Unused.
DESCRIPTION
Performs a gathered write to the underlying gridfs file.
The timeout_msec parameter is unused.
RETURNS
Returns the number of bytes written, or -1 on failure. Use mongoc_gridfs_file_error to retrieve error
details.
AUTHOR
MongoDB, Inc
COPYRIGHT
2018, MongoDB, Inc
1.9.3-dev Feb 05, 2018 MONGOC_GRIDFS_FILE_WRITEV(3)