WATFOR/WATFIV, xix
weak parameter module, 455
well-formed routines in structured programming, 431–432
WHEN, 103, 117, 126, 128, 188, 382–383, 417, 436, 463
ANDxx and, 213, 382
CASE and, 440–441
DOxx and, 382–383
ENDSL and, 382–383
fixed format conditional syntax in, 200
IF and, 382–383
natural expression support in, 200
ORxx and, 320, 382
OTHER and, 321, 382–383
SELECT and, 353–354, 382–383
syntax diagram for, 199
WHEN DO, 409
workstations, workstation files (See also device files), 205, 344, 517–518
CHAIN and, 229–231
device file processing, 517–518
DSPLY, 258–259
dumb terminals as, 517–518
nonprogrammable terminals (NPT) as, 517
output specifications (WRKSTN files) and, 82
personal computers (PCs) as, 517–518
read next changed file using READC, 334
write/read, EXFMT and, 273
WRITE, 86, 188, 384–385, 496, 514, 524–525
cursor positioning after successful operation of, 509
EXFMT and, 273, 520
file processing and, 495
syntax diagram for, 199
workstation device file processing and, 518