The text of the error message associated with the Fortran I/O status value, IOSTAT, is assigned to the named message token. If the token is already defined, the message is appended to the existing token value.

CALL ERR_FIOER( TOKEN, IOSTAT )

TOKEN = CHARACTER $\ast$ ( $\ast$ ) (Given)

IOSTAT = INTEGER (Given)

The messages generated using this facility will depend on the computer system upon which the library is implemented.