Return a string describing an errno.
String_Type errno_string (Integer_Type err)
The errno_string function returns a string describing the
integer error code err. The variable err usually
corresponds to the errno intrinsic function. See the
description for errno for more information.
The errno_string function may be used as follows:
define sizeof_file (file)
{
variable st = stat (file);
if (st == NULL)
verror ("%s: %s", file, errno_string (errno);
return st.st_size;
}
errno, stat, verror