The Modern RPG IV Language

UDATE 28, 97–98

UDAY reserved field name, 28

UMONTH reserved field name, 28

unary operators, 104, 105

unconditional operation codes, 189

/UNDEFINE, 34

UNLOCK, 188, 243, 378–379, 496

CHAIN and, 230–231, 230

cursor positioning after successful operation of, 509

data areas and, 467, 469

*DTAARA and, 378–379

EXCEPT and, 272

READ and, 332–333

READE and, 336

READP and, 338

READPE and, 341

syntax diagram for, 198

unnamed parameter list, 326

%UNS, 125, 178

%UNSH, 125

unsigned integer data type, 13

UPDATE, 86, 188, 380–381, 496, 514, 523–524

CHAIN and, 230–231, 380

cursor positioning after successful operation of, 509

enhanced format calculation specifications in, 530

READ and, 332–333, 380

READE and, 336, 380

READP and, 338, 380

READPE and, 341, 380

syntax diagram for, 199

total time calculations and, 380–381

workstation device file processing and, 518

uppercase

Convert to Uppercase source code, 586

Return as Uppercase String source code, 585

*USA, 191, 298, 307, 572, 574

user entry procedure (UEP), 484

user profiles, USRPRF (User Profile Authority Adoption) in, 553

user-written functions, 477

user-written procedures, 475–476

USROPN keyword, 51, 319, 519

USRPRF (User Profile Authority Adoption) compiler option, 553

UYEAR reserved field name, 28