[#OPENSSL_strlcat]
= OPENSSL_strlcat
:mrdocs:

Append `src` onto `dst` with OpenSSL's bounded strlcat semantics.

== Synopsis

Declared in `<openssl/crypto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size_t
OPENSSL_strlcat(
    char* dst,
    char const* src,
    size_t siz);
----

== Return Value

Length of the string OPENSSL_strlcat tried to create (strlen(initial dst)+strlen(src)).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dst*
| Destination buffer already containing a NUL‐terminated prefix.
| *src*
| NUL‐terminated string to append.
| *siz*
| Total capacity of `dst` in bytes.
|===


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