542 int ProcOpen(struct ProcFile *procFile)  in ProcOpen()  argument
544     if (procFile == NULL) {  in ProcOpen()
547     if (procFile->sbuf != NULL) {  in ProcOpen()
555     procFile->sbuf = buf;  in ProcOpen()
564     struct ProcFile *procFile = pde->pf;  in ProcRead()  local
565     struct SeqBuf *sb = procFile->sbuf;  in ProcRead()
575     loff_t pos = procFile->fPos;  in ProcRead()
586         procFile->fPos = pos + realLen;  in ProcRead()
662     struct ProcFile *procFile = pde->pf;  in LseekProcFile()  local
668             result = procFile->fPos + offset;  in LseekProcFile()
680         procFile->fPos = result;  in LseekProcFile()