Provided by: libmongoc-doc_1.3.1-1_all 

NAME
mongoc_read_concern_set_level() - The readConcern option allows clients to choose a level of isolation
for their reads.
SYNOPSIS
void
mongoc_read_concern_set_level (mongoc_read_concern_t *read_concern,
const char *level);
PARAMETERS
read_concern
A mongoc_read_concern_t \&.
level The readConcern level to use. Should be either MONGOC_READ_CONCERN_LEVEL_LOCAL or
MONGOC_READ_CONCERN_LEVEL_MAJORITY.
DESCRIPTION
The readConcern option allows clients to choose a level of isolation for their reads.
COLOPHON
This page is part of MongoDB C Driver. Please report any bugs at
https://jira.mongodb.org/browse/CDRIVER.
MongoDB C Driver 2016‐01‐18 MONGOC_READ_CONCERN_SET_LEVEL(3)