cc -w    ex1-c.c   -o ex1-c
ex1.bash : diff1=71 diff2=27 res=1917
	time: 0:00.01 real, 0.00 user, 0.00 sys
	context-switch:	1+4, page-faults: 0+331

ex1-c : diff1=71 diff2=27 res=1917
	time: 0:00.00 real, 0.00 user, 0.00 sys
	context-switch:	0+1, page-faults: 0+73

cc -w    ex2-c.c   -o ex2-c
ex2.bash : size=99 res=113387824750592
	time: 0:00.01 real, 0.01 user, 0.00 sys
	context-switch:	2+4, page-faults: 0+329

ex2-c : size=99 res=113387824750592
	time: 0:00.00 real, 0.00 user, 0.00 sys
	context-switch:	0+1, page-faults: 0+73