control file 127
label directory 153
.essages 157
update procedure 128
building 81
calculating nu.ber of records 91
chained records 91
for.at 91
progra.)
volu.e header record 93
volu.e table of contents
update 9
Z
data areas
du.p function 195
introduction 195
key to method of operation diagrams
196
label directory
248
2
printing the du.p
verify function 195
2314/2319 record layout 75
3
restriction 3-4
data areas
LKED .essages 193
entry point
generating
generating
introduction 169
key to
