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. |