The message types are classified as follows.
| 
 | 
 | 
 | 
| 
 
Internal error 
 | 
 
C 
 | 
 
Processing is aborted. 
The C source program is not output after conversion. 
 | 
| 
 
Fatal Error 
 | 
 
E 
 | 
 
Processing is aborted. 
The C source program is not output after conversion. 
 | 
| 
 
Warning 
 | 
 
W 
 | 
 
Processing continues. 
The C source program is output after conversion. 
 | 
| 
 
Information 
 | 
 
M 
 | 
 
Processing continues. 
The C source program is output after conversion. 
 |