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

NAME
mongoc_stream_readv - mongoc_stream_readv()
SYNOPSIS
ssize_t
mongoc_stream_readv (mongoc_stream_t *stream,
mongoc_iovec_t *iov,
size_t iovcnt,
size_t min_bytes,
int32_t timeout_msec);
PARAMETERS
• stream: A mongoc_stream_t.
• iov: A vector of mongoc_iovec_t.
• iovcnt: The number of items in iov.
• min_bytes: The minimum number of bytes to read or failure will be indicated.
• timeout_msec: A timeout in milliseconds, or 0 to indicate non-blocking. A negative value with use the
default timeout.
This function is identical to mongoc_stream_read() except that it takes a mongoc_iovec_t to perform
gathered I/O.
RETURNS
>= 0 on success, -1 on failure and errno is set.
SEE ALSO
mongoc_stream_read()
mongoc_stream_write()
mongoc_stream_writev()
AUTHOR
MongoDB, Inc
COPYRIGHT
2018, MongoDB, Inc
1.9.3-dev Feb 05, 2018 MONGOC_STREAM_READV(3)