DOKK / manpages / debian 10 / libmongoc-doc / mongoc_iovec_t.3.en
MONGOC_IOVEC_T(3) MongoDB C Driver MONGOC_IOVEC_T(3)

mongoc_iovec_t - mongoc_iovec_t

#include <mongoc/mongoc.h>
#ifdef _WIN32
typedef struct {


   u_long iov_len;


   char *iov_base;
} mongoc_iovec_t;
#else
typedef struct iovec mongoc_iovec_t;
#endif


The mongoc_iovec_t structure is a portability abstraction for consumers of the mongoc_stream_t interfaces. It allows for scatter/gather I/O through the socket subsystem.

WARNING:

When writing portable code, beware of the ordering of iov_len and iov_base as they are different on various platforms. Therefore, you should not use C initializers for initialization.


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February 23, 2019 1.14.0