Mmain	main.c	/^main (argc, argv)$/
checkedge	cont.c	/^checkedge (d1, d2, level)$/
contour	cont.c	/^contour (levels, nlevels, Map, z, Cell, Att)$/
findcrossing	cont.c	/^findcrossing (current,  level, Cell, Points)$/
get_line_center	line_cent.c	/^get_line_center (x, y, Points)$/
get_z_array	main.c	/^get_z_array (fd,nrow,ncol)$/
getlevels	main.c	/^getlevels(levels, max, min, step, range, num)$/
getnewcell	cont.c	/^getnewcell(current, nrow, ncol, z)$/
getpoint	cont.c	/^getpoint(curr, level, Cell, Points)$/
newedge	cont.c	/^newedge(current)$/
