---
name: "rhash_len"
section: "3"
platform: "linux"
package: "libroy-dev"
version: "1.0.8-1"
release: "Debian 3.1 (Sarge)"
platforms: ["linux"]
url: "https://new.carta.tech/rhash_len"
---

# rhash\_len(3)

get the number of elements stored in a RHash.

## NAME

rhash\_len - get the number of elements stored in a RHash.

## SYNOPSIS

\#include \<roy.h\>

int rhash\_len (RHash \*hash);

## DESCRIPTION

This macro returns the length (number of elements) of the RHash specified by the *hash* argument.

## SEE ALSO

[*rhash*(3)](/rhash/3.md), [*rhash\_entry\_getkey*(3)](/rhash_entry_getkey/3.md),  [*rhash\_entry\_setkey*(3)](/rhash_entry_setkey/3.md), [*rhash\_free*(3)](/rhash_free/3.md),  [*rhash\_insert*(3)](/rhash_insert/3.md), [*rhash\_lookup*(3)](/rhash_lookup/3.md),  [*rhash\_lookup\_next*(3)](/rhash_lookup_next/3.md), [*rhash\_new*(3)](/rhash_new/3.md),  [*rhash\_remove*(3)](/rhash_remove/3.md), [*rhash\_remove\_entry*(3)](/rhash_remove_entry/3.md),  [*roy*(3)](/roy/3.md)