Provided by: libmongoc-doc_2.2.1-1_all 

SYNOPSIS
ssize_t
mongoc_socket_send (mongoc_socket_t *sock,
const void *buf,
size_t buflen,
int64_t expire_at);
PARAMETERS
• sock: A mongoc_socket_t <>.
• buf: A buffer to send.
• buflen: A size_t with the number of bytes in buf.
• expire_at: A int64_t with an absolute timeout for the operation or 0. The timeout is in monotonic time
using microseconds. You can retrieve the current monotonic time with System Clock <https://www.mongoc
.org/libbson/current/bson_get_monotonic_time.html>.
DESCRIPTION
Sends buflen bytes in buf to the destination. If a timeout expired, the number of bytes sent will be
returned or -1 if no bytes were sent.
RETURNS
-1 on failure and errno is set, or the number of bytes sent.
Author
MongoDB, Inc
Copyright
2009-present, MongoDB, Inc.
2.2.1 Dec 11, 2025 MONGOC_SOCKET_SEND(3)