.lf 1 fig3 .KF ... 0 -0.5 3.25 0.166667 ... 0.000i 0.667i 3.250i 0.000i .nr 00 \n(.u .nf .PS 0.667i 3.250i .lf 27 \h'0.250i'\v'0.167i'\v'.2m'\v'-1u*\n(.vu/2u'\h'-\w'user'u/2u'user .sp -1 \h'0.250i'\v'0.167i'\v'.2m'\v'1u*\n(.vu/2u'\h'-\w'write'u/2u'write .sp -1 \v'0.167i'\D'l0.500i 0.000i' .sp -1 \h'0.400i'\v'0.192i'\D'l0.100i -0.025i' .sp -1 \h'0.400i'\v'0.142i'\D'l0.100i 0.025i' .sp -1 \h'0.500i'\D'l0.375i 0.000i' .sp -1 \h'0.875i'\D'l0.000i 0.333i' .sp -1 \h'0.875i'\v'0.333i'\D'l-0.375i 0.000i' .sp -1 \h'0.875i'\v'0.167i'\D'~ 0.500i 0.000i 0.500i 0.333i 0.500i 0.000i' .sp -1 \h'2.275i'\v'0.525i'\D'l0.100i -0.025i' .sp -1 \h'2.275i'\v'0.475i'\D'l0.100i 0.025i' .sp -1 \h'2.375i'\v'0.167i'\D'l0.000i -0.167i' .sp -1 \h'2.375i'\D'l0.375i 0.000i' .sp -1 \h'2.750i'\v'0.333i'\D'l-0.375i 0.000i' .sp -1 \h'2.375i'\v'0.333i'\D'l0.000i -0.167i' .sp -1 \h'3.000i'\v'0.167i'\v'.2m'\v'-1u*\n(.vu/2u'\h'-\w'user'u/2u'user .sp -1 \h'3.000i'\v'0.167i'\v'.2m'\v'1u*\n(.vu/2u'\h'-\w'write'u/2u'write .sp -1 \h'2.850i'\v'0.142i'\D'l-0.100i 0.025i' .sp -1 \h'2.850i'\v'0.192i'\D'l-0.100i -0.025i' .sp -1 \h'2.750i'\v'0.167i'\D'l0.500i 0.000i' .sp -1 \h'3.000i'\v'0.500i'\v'.2m'\v'-1u*\n(.vu/2u'\h'-\w'user'u/2u'user .sp -1 \h'3.000i'\v'0.500i'\v'.2m'\v'1u*\n(.vu/2u'\h'-\w'read'u/2u'read .sp -1 \h'2.750i'\v'0.500i'\D'l0.500i 0.000i' .sp -1 \h'3.150i'\v'0.525i'\D'l0.100i -0.025i' .sp -1 \h'3.150i'\v'0.475i'\D'l0.100i 0.025i' .sp -1 \h'2.750i'\v'0.667i'\D'l-0.375i 0.000i' .sp -1 \h'2.375i'\v'0.667i'\D'l0.000i -0.333i' .sp -1 \h'2.375i'\v'0.167i'\D'~ -0.500i 0.000i -0.500i 0.333i -0.500i 0.000i' .sp -1 \h'0.975i'\v'0.475i'\D'l-0.100i 0.025i' .sp -1 \h'0.975i'\v'0.525i'\D'l-0.100i -0.025i' .sp -1 \h'0.875i'\v'0.333i'\D'l0.000i 0.333i' .sp -1 \h'0.875i'\v'0.667i'\D'l-0.375i 0.000i' .sp -1 \h'0.250i'\v'0.500i'\v'.2m'\v'-1u*\n(.vu/2u'\h'-\w'user'u/2u'user .sp -1 \h'0.250i'\v'0.500i'\v'.2m'\v'1u*\n(.vu/2u'\h'-\w'read'u/2u'read .sp -1 \h'0.500i'\v'0.500i'\D'l-0.500i 0.000i' .sp -1 \h'0.100i'\v'0.475i'\D'l-0.100i 0.025i' .sp -1 \h'0.100i'\v'0.525i'\D'l-0.100i -0.025i' .sp -1 .sp 1+0.667i .PE .if \n(00 .fi .lf 27 .sp .5 .ce Figure 3. A pipe. .sp .KE