# MX\_ERRNOMSG

> [HTML Version](mx_errnomsg.htm)

**xcall MIAMEX, MX\_ERRNOMSG, errno, message**

MX\_ERRNOSMG (MIAMEX 86) returns the operating system’s text message associated with the specified operating system error code (aka **errno**).

**Parameters**

_errno_  ([Num](num.md))  \[in\]

is the error number for which you want the message. Note that many MIAMEX functions return operating system errors as negative numbers; these should be converted to absolute value before passing to this function. See History, below.

_message_  ([String](string.md))  \[out\]

returns the error message.

**See Also**

•	[ERRMSG](errmsgsbr.md) for information relating to displaying the text corresponding to ASB error numbers.