(82) Implementation-defined aspects of access to machine operations.
If a link name is specified in a pragma IMPORT or EXPORT statement it is used exactly as specified in the pragma. No characters are prepended or appended. The case of the name is preserved.
If no link name is specified for a subprogram named by a pragma IMPORT or EXPORT the link name used will be created from the name of the subprogram. The subprogram name will be lower-cased and a dot ('.') will be prepended to the name.