.\" This manpage is Copyright (C) 2016 MongoDB, Inc. .\" .\" Permission is granted to copy, distribute and/or modify this document .\" under the terms of the GNU Free Documentation License, Version 1.3 .\" or any later version published by the Free Software Foundation; .\" with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. .\" A copy of the license is included in the section entitled "GNU .\" Free Documentation License". .\" .TH "MONGOC_STREAM_WRITEV" "3" "2016\(hy10\(hy12" "MongoDB C Driver" .SH NAME mongoc_stream_writev() \- The mongoc_stream_writev() function shall perform a write to a mongoc_stream_t. It's modeled on the API and semantics of writev(), though the parameters map only loosely. .SH "SYNOPSIS" .nf .nf ssize_t mongoc_stream_writev (mongoc_stream_t *stream, mongoc_iovec_t *iov, size_t iovcnt, int32_t timeout_msec); .fi .fi .SH "PARAMETERS" .TP .B stream A .B mongoc_stream_t . .LP .TP .B iov A vector of .B mongoc_iovec_t . .LP .TP .B iovcnt The number of items in .B iov . .LP .TP .B timeout_msec The number of milliseconds to block before indicating failure, or 0 for non\(hyblocking. Negative values indicate the default timeout. .LP The .B mongoc_stream_writev(3) function shall perform a write to a .B mongoc_stream_t . It's modeled on the API and semantics of .B writev(3) , though the parameters map only loosely. .SH "RETURNS" The number of bytes written on success, or .B -1 upon failure and .B errno is set. .B .SH COLOPHON This page is part of MongoDB C Driver. Please report any bugs at https://jira.mongodb.org/browse/CDRIVER.