lint

speech signal process tools

scatplot.c:

scatplot.c
==============
warning: possible pointer alignment problem
    (286)  	    (454)  	
plotletter.c:
draw_box2.c:

draw_box2.c
==============
warning: argument unused in function:
    (34)  xdp in draw_box
    (34)  ydp in draw_box
plotscale.c:
printtime.c:
plotexscal.c: