This option outputs messages to the specified file.
[Specification format]
 
| 
- | Interpretation when omitted | 
Messages are output to the standard output file.
 
[Detailed description]
| 
- | This option outputs messages to the specified file. | 
| 
- | If the specified file already exists, it will be overwritten and no warning is output. | 
| 
- | An error will occur if the specified file name matches the input or output file name of the C source file or C header file. | 
| 
- | An error will occur if the parameter is omitted. | 
 
[Example of use]
| >CcnvCA78K0  input.c  -o=output.c  -r=input.txt |