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-# nng_stat
-
-## NAME
-
-nng_stat --- statistic
-
-## SYNOPSIS
-
-```c
-#include <nng/nng.h>
-
-typedef struct nng_stat nng_stat;
-
-enum {
-	NNG_STAT_SCOPE,
-	NNG_STAT_LEVEL,
-	NNG_STAT_COUNTER,
-	NNG_STAT_STRING,
-	NNG_STAT_BOOLEAN,
-	NNG_STAT_ID
-};
-
-enum {
-	NNG_UNIT_NONE,
-	NNG_UNIT_BYTES,
-	NNG_UNIT_MESSAGES,
-	NNG_UNIT_MILLIS,
-	NNG_UNIT_EVENTS
-};
-
-int nng_stat_unit(nng_stat *stat);
-
-const char *nng_stat_name(nng_stat *stat);
-const char *nng_stat_desc(nng_stat *stat);
-int nng_stat_type(nng_stat *stat);
-int nng_stat_unit(nng_stat *stat);
-uint64_t nng_stat_value(nng_stat *stat);
-const char *nng_stat_string(nng_stat *stat);
-bool nng_stat_bool(nng_stat *stat);
-uint64_t nng_stat_timestamp(nng_stat *stat);
-```
-
-## DESCRIPTION
-
-An {{i:`nng_stat`}} represents a {{i:statistic}}.
-All statistics have names (retrievable with {{i:`nng_stat_name`}}) and
-descriptions (retrievable with {{i:`nng_stat_desc`}}), and a
-type (retrievable with {{i:`nng_stat_type`}}).
-
-Statistics also have a timestamp indicating when the value was sampled,
-obtained via {{i:`nng_stat_timestamp`}}. The timestamp is given in
-in milliseconds since a reference time, and the reference time used
-here is the same reference time used for [`nng_clock`][nng_clock].
-
-> [!NOTE]
-> The presence, name, and semantics of any given statistic are
-> subject to change at any time and without notice.
-
-### Statistic Values
-
-The type of a statistic determines the nature of the value, and which
-function can be used to obtain that value.
-
-- {{i:`NNG_STAT_SCOPE`}}: The statistic does not carry any real value, but is
-  used for grouping related statistics together. This is a nexus in the
-  statistics tree.
-
-- {{i:`NNG_STAT_COUNTER`}}: The statistic is a counter that only increments.
-  Usually the change in the value of the statistic is more interesting
-  (as a rate) than the absolute value at any given time. The value should
-  be obtained using `nng_stat_value`. The units will be given by the value
-  returned from `nng_stat_unit`.
-
-- {{i:`NNG_STAT_LEVEL`}}: The statistic represnts a measured value which corresponds
-  to a specific value at a specific time. For example, this may represent the
-  number of messages currently queued for some operation, or the link speed
-  of a network interface. Most often the absolute value is more interesting
-  than the change in the value over time. Again the value can be obtained with
-  `nng_stat_value`, and any appropriate unit of measurement with `nng_stat_unit`.
-
-- {{i:`NNG_STAT_STRING`}}: The statistic is a string, such as a human. The value
-  of the string can be obtained with `nng_stat_string`. The value of this string
-  will remain valid until the snapshot is deallocated with [`nng_stats_free`][nng_stats].
-
-- {{i:`NNG_STAT_BOOLEAN`}}: The value of the statistic is a truth value (either `true`
-  or `false`) and can be obtained with `nng_stat_bool`.
-
-- {{i:`NNG_STAT_ID`}}: The value of the statistic is a numeric identifier, such as a socket
-  identifier. The value can be obtained with `nng_stat_value`, and will generally not
-  change over time for a given statistic.
-
-### Statistic Units
-
-For statistics of type `NNG_STAT_COUNTER` or `NNG_STAT_LEVEL`, it is often
-useful to know what that quantity being reported actually measures.
-The following units may be returned from `nng_stat_unit` for such a statistic:
-
-- `NNG_UNIT_NONE`: No unit is known or applies.
-- `NNG_UNIT_BYTES`: A count of bytes.
-- `NNG_UNIT_MESSAGES`: A count of messages.
-- `NNG_UNIT_MILLIS`: A count of milliseconds.
-- `NNG_UNIT_EVENTS`: A count of events of some type.
-
-## SEE ALSO
-
-[nng_clock][nng_clock],
-[nng_stats][nng_stats],
-
-[nng_clock]: ../util/nng_clock.md
-[nng_stats]: ./nng_stats.md