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SAR$ COM Table 20–5. SAR$: COM Procedure SC$CALLST Status Codes Octal Code Status 023 The caller has illegally set a secured control bit in the SC$CNTLB field. 024 The current Exec level does not allow ACD to be output or input with ER COM$. 0100 An unrecognized error has occurred in an ACD subroutine. The ACD error code is returned in the SC$SUBSTAT field. 0101 An unrecognized error has occurred in executing ER COM$. The COM$ error code is returned in the SC$SUBSTAT field. A SC$CALLST status code of 0100 or greater is a SAR$ internal error. 20–20 7833 1733–004
Section 21 SDFI, SDFO–System Data Format I/O Routines The System Data Format Input (SDFI) routine and the System Data Format Output (SDFO) routine are two independent routines that process files or elements that are in system data format (SDF). The SDFI routine reads SDF images from the input file or element and returns the images one at a time to the calling program. The SDFO routine takes SDF images one at a time from the calling program and writes the images to the output file or element. The SDFI and SDFO routines each require the following data structures: • A packet or file control table (FCT) • An image buffer • One or two I/O buffers An 11-word packet is used to pass information to and from SDFI and SDFO. The packet format for SDFI is described in 21.1.1. The packet format for SDFO is described in 21.2.1. The image buffer is either the data area that SDFI reads the next image into or the data area containing the image that SDFO writes out. The I/O buffers are used by SDFI and SDFO to access the file or element. The I/O buffer length must be a multiple of 28 words (one sector). If there are two I/O buffers, they must be of equal length. Because the physical record size on disks is most frequently four sectors (112 words), SDFI and SDFO execute most efficiently when their buffer lengths are a multiple of 112 words. If the buffer length is larger than but not a multiple of 112 words, the excess length (28, 56, or 84 words) is not used in I/O operations unless the I/O device is a tape drive. If the file accessed by SDFI or SDFO is on tape, the buffer length should be the length of the tape block. The standard tape block length is 224 words. SDFI and SDFO can handle multireel tape files correctly. SDFI and SDFO send a message to the print device each time an input or output tape reel is swapped. SDFI and SDFO assume that the file being accessed is assigned to the run before SDFI and SDFO are called. 7833 1733–004 21–1
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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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Page 288 and 289: SAR$ ATREAD 19.1.1.1. Required Info
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SIR$-Symbolic Input/Output Routine
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SIR$-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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