| Value | Meaning | 
|---|---|
| beginRequest1 | FCGI_BEGIN_REQUEST x  | 
| abortRequest2 | FCGI_ABORT_REQUEST x  | 
| endRequest3 | FCGI_END_REQUEST  | 
| params4 | FCGI_PARAMS x x  | 
| stdin5 | FCGI_STDIN x x  | 
| stdout6 | FCGI_STDOUT x  | 
| stderr7 | FCGI_STDERR x  | 
| data8 | FCGI_DATA x x  | 
| getValues9 | FCGI_GET_VALUES x x  | 
| getValuesResult10 | FCGI_GET_VALUES_RESULT x  | 
| unknownType11 | FCGI_UNKNOWN_TYPE x  | 
Values for type component of FCGI_Header