1MONGOC_GRIDFS_FILE_READV(3)    MongoDB C Driver    MONGOC_GRIDFS_FILE_READV(3)
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NAME

6       mongoc_gridfs_file_readv - mongoc_gridfs_file_readv()
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SYNOPSIS

9          ssize_t
10          mongoc_gridfs_file_readv (mongoc_gridfs_file_t *file,
11                                    mongoc_iovec_t *iov,
12                                    size_t iovcnt,
13                                    size_t min_bytes,
14                                    uint32_t timeout_msec);
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PARAMETERS

17       · file: A mongoc_gridfs_file_t.
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19       · iov: An array of mongoc_iovec_t.
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21       · iovcnt: The number of elements in iov.
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23       · min_bytes:  The minimum number of bytes that must be read or an error
24         will be synthesized.
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26       · timeout_msec: Unused.
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DESCRIPTION

29       This function performs a scattered read from file, potentially blocking
30       to read from the MongoDB server.
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32       The timeout_msec parameter is unused.
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RETURNS

35       Returns  the  number  of  bytes  read,  or  -1  on  failure.  Use  mon‐
36       goc_gridfs_file_error to retrieve error details.
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AUTHOR

39       MongoDB, Inc
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42       2017-present, MongoDB, Inc
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471.14.0                           Feb 22, 2019      MONGOC_GRIDFS_FILE_READV(3)
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