int
ReadStream(handle, buffer, bufferSize, bytesRead)

     unsigned long handle
     char * buffer = NO_INIT
     unsigned long bufferSize
     unsigned long  bytesRead  =  NO_INIT
CODE:
     SvUPGRADE((SV*)ST(1), SVt_PV);
     buffer = SvGROW((SV*)ST(1), bufferSize+1);
     RETVAL = ReadStream(handle, buffer, bufferSize, &bytesRead);
     buffer[bytesRead] = '\0';
     SvCUR_set((SV*)ST(1), bytesRead);
     (void)SvPOK_only_UTF8((SV*)ST(1));
     SvTAINT(ST(1));
     SvSETMAGIC(ST(1));
OUTPUT:   
     RETVAL
     bytesRead