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Page vi
ISAM SYSTEM USER'S GUIDE
CHAPTER 3
DUMPING AN ISAM FILE WITH ISMDMP
3.1
3.2
3.3
GENERAL OPERATING INSTRUCTIONS
3.1.1
Suppressing Exclusive Open Mode
FILE DUMP MODE
3.2.1
SampLe Data FiLe DispLay
INDEX FILE DUMP MODE
3.3.1
SampLe Index File Display
CHAPTER 4
COMPRESSING INDEX FILES WITH ISMCOM
PART II
PROGRAMMING WITH ISAM
CHAPTER 5
USING ISAM FROM THE ASSEMBLY LANGUAGE LEVEL
3—1
3—2
3—2
3—2
3—3
5.1
GENERAL CALLING SEQUENCE
5—1
5.2
INITIALIZING THE ISAM SYSTEM (.INIT)
5.2.1 CalLing Sequence
5—2
5.2.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
User Supplied Allocation and
Deallocation Routines
FINALIZING ISAM PROCESSING (.IFIN)
5.3.1 CaLling Sequence
5—2
5—2
5—3
OPENING A FILE FOR PROCESSING (.IOPNR)
5—3
5—3
5.4.1
5—4
Calling Sequence
CLOSING THE FILE AFTER PROCESSING (.ICLOS)
5.5.1
Calling Sequence
5—4
5—4
LOCATING A FREE DATA RECORD (.IGTFR)
5—5
5.6.1
DELETING A DATA RECORD
5—5
5—5
5.7.1
5—5
CaLLing Sequence
CaLling Sequence
READING A DATA RECORD BY RELATIVE RECORD
NUMBER
(.IRLRD)
5.8.1
Calling Sequence
5—6
5—6
WRITING A DATA RECORD BY RELATIVE RECORD
NUMBER
(.IRLWT)
5—6
5.9.1
Calling Sequence
5—6
5—7
5—7
5.10 FINDING A RECORD (.IREDR)
5.10.1
Calling Sequence
5.11 ADDING A SYMBOLIC KEY (.1 WRTR)
5.11.1 CaLLing Sequence
5.12 DELETI NG A KEY (.IDELK)
5.12.1
Calling Sequence
5.13 FINDING THE NEXT SEQUENTIAL KEY (.SREDR)
5.13.1 CaLling Sequence
CHAPTER 6
3—1
5—7
5—7
5—8
5—8
5—8
5—9
STANDARD ISAM SYMBOLS FOR ASSEMBLY LANGUAGE PROGRAMMERS
6.1
6.2
CALLING SYMBOLS
COMPLETION CODE SYMBOLS
6—1
6—1