[#SysErrorString]
= SysErrorString
:mrdocs:

Return system error string from errno value. Use this instead of std::strerror, which is not thread‐safe. For network errors use NetworkErrorString from sock.h instead.

== Synopsis

Declared in `<util/syserror.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::string
SysErrorString(int err);
----

== Return Value

The human‐readable string for the given error code.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *err*
| errno value to translate into a message.
|===


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