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).
errno (Num)
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)
returns the error message.
See ERRMSG or DERR for information relating to displaying the text corresponding to ASB error numbers.