---
name: "libssh2_knownhost_init"
section: "3"
platform: "linux"
package: "libssh2"
version: "1.11.1-7"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/libssh2_knownhost_init"
---

# libssh2\_knownhost\_init(3)

init a collection of known hosts

## NAME

libssh2\_knownhost\_init - init a collection of known hosts

## SYNOPSIS

```
#include <libssh2.h>
LIBSSH2_KNOWNHOSTS *
libssh2_knownhost_init(LIBSSH2_SESSION *session);
```

## DESCRIPTION

Init a collection of known hosts for this session. Returns the handle to an internal representation of a known host collection.

Call **[libssh2\_knownhost\_free(3)](/libssh2_knownhost_free/3.md)** to free the collection again after you are doing using it.

## RETURN VALUE

Returns a handle pointer or NULL if something went wrong. The returned handle is used as input to all other known host related functions libssh2 provides.

## AVAILABILITY

Added in libssh2 1.2

## SEE ALSO

**[libssh2\_knownhost\_free(3)](/libssh2_knownhost_free/3.md)** **[libssh2\_knownhost\_add(3)](/libssh2_knownhost_add/3.md)** **[libssh2\_knownhost\_check(3)](/libssh2_knownhost_check/3.md)**