#define C_LINKSV		17
#define C_LINKCL		18
#define C_EWLINKSV		36

#define O_LS_MATCHNAME		1
#define O_LS_SCAN		2
#define O_LS_FILENAME		3
#define O_LS_SET_FORMAT		4
#define O_LS_GET_DATA		5

#define O_LC_START		1
#define O_LC_GET_DATA		2
#define O_LC_STOP		3

#define O_EWLS_INIT		1
#define O_EWLS_EXTRACT		2