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SDFI, SDFO–System Data Format I/O Routines The SDFI and SDFO routines are available as relocatable elements and also in the SYSLIB common banks. SDFI is in the common bank absolute SYSLIB$3, and SDFO is in the common bank absolute SYSLIB$4. Both routines are reentrant. The relocatable and common bank entry points for SDFI and SDFO are listed in Appendix E. The following compatibility considerations apply to FURPUR and Processor Common Input/Output System (PCIOS): • SDFI and SDFO are fully compatible with FURPUR level 28R3 and higher levels. • SDFI and SDFO are compatible with PCIOS levels 4R1 and 4R1A, except for the handling of multireel tape files: − When SDFI reads multireel tape files created by PCIOS, I/O error 01 (unlabeled tape) or TLBL$ error 013 (labeled tape) occurs. − When PCIOS reads multireel tape files created by SDFO, unlabeled tapes are read correctly, but labeled tapes encounter I/O error 01. • SDFI returns segmented PCIOS records one segment at a time. The caller must examine the segment flag in the PCIOS data record control word to determine how the data record is segmented. A description of each routine and its corresponding packet is in the following subsections. For details on system data format, see the Data Structures Programming Reference Manual. 21.1. SDFI–System Data Format Input Routine The SDFI routine returns one SDF image at a time from an SDF file or element. SDFI has the following functions and entry points: • Open SDFI (SDFIO$, SDFIOA$) • Read an image (SDFI$, SDFINT$) • Close SDFI (SDFIC$) The calling program must open SDFI before reading images from the file or element and close SDFI after all images are read. The packet (or FCT) for SDFI is described in 21.1.1. The open, read, and close functions of SDFI are described in 21.1.2.1, 21.1.2.2, and 21.1.2.3, respectively. 21.1.1. Packet The calling program must provide an 11-word packet for SDFI. The SDFI packet format is described in Figure 21–1. The packet may be generated with the S$DFCT procedure described in 21.1.1.2. 21–2 7833 1733–004
SDFI, SDFO–System Data Format I/O Routines The same 11-word packet should not be used for both SDFI and SDFO. 21.1.1.1. Packet Format The calling program must provide the eleven-word packet and place appropriate information in all fields with names in italics. 0 internal filename 1 2 zero 3 zero 020 reserved zero 4 buffer length (words) single buffer address 5 Relative Mass Storage Address (Sector) 6 address of buffer number 1 address of buffer number 2 7 buffer length (sectors) length of image area 8 zero (used by SDFI) image area location 9 zero (used by SDFI) image location in buffer (filled) 10 SDF Control Word (filled) Packet Fields Words 0,1 Figure 21–1. SDFI: Packet Format The 12-character Fieldata internal file name. Word 3 (S2) The I/O read function, R$ or 020. Word 4 (H1) The length in words of the I/O buffer used by SDFI. Word 4 (H2) The address of the I/O buffer if using one buffer. Word 5 The mass storage sector address of the first SDF image to be read. 7833 1733–004 21–3
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OS 2200 System Service Routines Lib
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OS 2200 System Service Routines Lib
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Contents 4.2.5. Error Status Codes
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Contents 14.1.4. Reusable Processor
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Contents Section 19. SAR$ ATREAD ..
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Contents Section 23. SIR$-Symbolic
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Contents Appendix J. Obsolete Entry
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Figures xiv 7833 1733-004
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Tables 20-1. SAR$: PLUS COM Buffer
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Introduction 1.2. Notation Conventi
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Introduction Numbers are represente
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Introduction If you install SYSLIB
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System Standard Procedures and Defi
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SYSLIB Access Methods All the SYSLI
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SYSLIB Access Methods This type of
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SYSLIB Access Methods 3-6 7833 1733
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AEDIT$-ASCII Image Composition Edit
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BSP$-Program File Basic Service Pac
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CABSAD$, CRELAD$-Addressing Routine
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CONWRD$-Condition Word Routine Para
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CONWRD$-Condition Word Routine 7-4
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EDIT$-Fieldata Image Composition Ed
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FDASC$-Fieldata/ASCII Data Conversi
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FDASC$-Fieldata/ASCII Data Conversi
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GETPSF$-Get a Scratch File Routine
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ID$-Identification Line Routine Exe
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ID$-Identification Line Routine Bit
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ID$-Identification Line Routine Err
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ID$-Identification Line Routine 11.
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ID$-Identification Line Routine Bit
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ID$-Identification Line Routine 11.
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ID$-Identification Line Routine err
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INFOR$-Internal Format Table Interf
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MFDSP$-Master File Directory Servic
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PREPRM, PREPRO, PREPF$, and POSTPR$
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ROR, ROR$-Relocatable Output Routin
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SAR$-Symbolic Access Routines 16.1.
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SAR$-Symbolic Access Routines FILE_
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SAR$-Symbolic Access Routines NEXT_
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SAR$-Symbolic Access Routines FIP$A
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SAR$-Symbolic Access Routines FIP$H
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SAR$-Symbolic Access Routines 16.2.
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SAR$-Symbolic Access Routines 16-14
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SAR$ READ 17.1.1.1. Required Inform
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SAR$ READ REQUEST_TYPE PLUS Attribu
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SAR$ READ READ_ADDRESS_WORD_OFFSET
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SAR$ READ CHARACTER_CODE PLUS Attri
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SAR$ READ CONTROL_RECORD_WORD_LENGT
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SAR$ READ The default buffer and ta
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SAR$ READ 17.1.3.2. SAR_READ Proced
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SAR$ READ 17.1.3.4. Example The fol
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SAR$ READ Table 17-3. SAR$: READ Pr
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SAR$ READ 17.2. READ Function/MASM
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SAR$ READ SR$REQTYPE The requested
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SAR$ READ SR$CALLST The status code
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SAR$ READ SR$SDFICW The image contr
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SAR$ READ 17.2.3.1. Open-Input Proc
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SAR$ READ 17.2.3.3. Close-Input Pro
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SAR$ READ Table 17-6. SAR$: READ Pr
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SAR$ READ 17.3.3. ASCII/ISO with Em
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SAR$ WRITE The calling program must
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SAR$ WRITE 18.1.1.2. Optional Infor
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SAR$ WRITE OUTPUT_IMAGE_CHARACTER_T
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SAR$ WRITE LINE_NUMBER_INTEGER_PART
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SAR$ WRITE IMAGE_BYTE_LENGTH PLUS A
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SAR$ WRITE The default buffer and t
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SAR$ WRITE 18.1.3.2. SAR_WRITE Proc
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SAR$ WRITE S'Print_heading' Insert
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SAR$ WRITE 18.1.3.5. Example The fo
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SAR$ WRITE Table 18-3. SAR$: WRITE
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SAR$ WRITE Empty symbiont output fi
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SAR$ WRITE SW$OUTRECT The type of r
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SAR$ WRITE SW$ELTCDT For SDF elemen
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SAR$ WRITE 18.2.1.4. WRITE Packet D
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SAR$ WRITE • Optional parameters
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Page 288 and 289: SAR$ ATREAD 19.1.1.1. Required Info
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SIR$-Symbolic Input/Output Routine
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Program Trace Routine • The follo
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Program Trace Routine Tracing can b
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Program Trace Routine In each of th
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Program Trace Routine In demand mod
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Program Trace Routine CAPTUR Enters
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Program Trace Routine T L B S E N D
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Program Trace Routine LINE Adjusts
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Program Trace Routine SET L N Print
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Program Trace Routine 24.5. Control
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Program Trace Routine 24-20 7833 17
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SOR-Symbolic Output Routine SOR ins
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SOR-Symbolic Output Routine 25.3. O
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SOR-Symbolic Output Routine 25.5. E
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Using SYSLIB A-2 7833 1733-004
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Diagnostic Messages x FILE NOT AVAI
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Diagnostic Messages SIR EDIT ERR c
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Diagnostic Messages B-6 7833 1733-0
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SYSLIB Restrictions C-2 7833 1733-0
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SYSLIB Elements Table D-1. SYSLIB E
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SYSLIB Elements Table D-1. SYSLIB E
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SYSLIB Elements D-6 7833 1733-004
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SYSLIB Common Bank Entry Points Tab
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SYSLIB Common Bank Entry Points Tab
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SYSLIB Common Bank Entry Points E-6
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Interface to Selected Extended Mode
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INFOR Information A field in the pr
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INFOR Information Word 0 Bits 0-9 T
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INFOR Information Bits 18-23 File C
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INFOR Information G.4. INFOR Table
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INFOR Information G-10 7833 1733-00
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ASCII-like Character Sets Table H-1
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ASCII-like Character Sets H-4 7833
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Extended Mode Interface to SYSLIB I
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Extended Mode Interface to SYSLIB T
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Extended Mode Interface to SYSLIB b
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Extended Mode Interface to SYSLIB P
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Obsolete Entry Points, PROCs, and R
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Related Product Information OS 1100
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Glossary Exec The kernel of the OS
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Glossary Problem list entry (PLE) A
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Index Fieldata characters, 8-1 floa
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Index read call, 21-8 SDFO close ca
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