HP OpenVMS Systems Documentation
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HP BASIC for OpenVMS
User Manual

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Chapter 16
16 Compiler Directives
     16.1     Overview of Compiler Directives
     16.2     Controlling the Compilation Listing
         16.2.1         %TITLE and %SBTTL Directives
         16.2.2         %IDENT Directive
         16.2.3         %PAGE Directive
         16.2.4         %LIST and %NOLIST Directives
         16.2.5         %CROSS and %NOCROSS Directives
     16.3     Accessing External Source Files
     16.4     Controlling Compilation
         16.4.1         %LET Directive
         16.4.2         %VARIANT Directive
         16.4.3         %ABORT Directive
         16.4.4         %PRINT Directive
         16.4.5         %IF-%THEN-%ELSE-%END %IF Directive
         16.4.6         %DEFINE and %UNDEFINE Directives
     16.5     Record Dependency Relationships in CDD/Repository
Chapter 17
17 Data Representation
     17.1     Integer Format
         17.1.1         Byte-Length Integer Format
         17.1.2         Word-Length Integer Format
         17.1.3         Longword Integer Format
         17.1.4         Quadword Integer Format
     17.2     Real Number Format
         17.2.1         SINGLE Floating-Point Number Format (F_floating)
         17.2.2         DOUBLE Floating-Point Number Format (D_floating)
         17.2.3         GFLOAT Floating-Point Number Format (G_floating)
         17.2.4         SFLOAT Floating-Point Number Format (S_floating)
         17.2.5         TFLOAT Floating-Point Number Format (T_floating)
         17.2.6         XFLOAT Floating-Point Number Format (X_floating)
     17.3     Packed Decimal Number Format
     17.4     String and Array Descriptor Format
         17.4.1         Fixed-Length String Descriptor Format
         17.4.2         Dynamic String Descriptor Format
     17.5     Array Descriptors
     17.6     Decimal Scalar String Descriptor (Packed Decimal String Descriptor)
Part 3
Part 3 Using HP BASIC Features on OpenVMS Systems
Chapter 18
18 Advanced File Input and Output
     18.1     RMS I/O to Magnetic Tape
         18.1.1         Allocating and Mounting a Tape
         18.1.2         Opening a Tape File for Output
         18.1.3         Opening a Tape File for Input
         18.1.4         Positioning a Tape
         18.1.5         Writing Records to a File
         18.1.6         Reading Records from a File
         18.1.7         Controlling Tape Output Format
         18.1.8         Rewinding a Tape
         18.1.9         Closing a File
     18.2     Device-Specific I/O
         18.2.1         Device-Specific I/O to Unit Record Devices
         18.2.2         Device-Specific I/O to Magnetic Tape Devices
             18.2.2.1             Allocating and Mounting a Tape
             18.2.2.2             Opening a Tape File for Output
             18.2.2.3             Opening a Tape File for Input
             18.2.2.4             Writing Records to a File
             18.2.2.5             Reading Records from a File
             18.2.2.6             Rewinding a Tape
             18.2.2.7             Closing a Tape
         18.2.3         Device-Specific I/O to Disks
             18.2.3.1             Assigning and Mounting a Disk
             18.2.3.2             Opening a Disk File for Output
             18.2.3.3             Opening a Disk File for Input
             18.2.3.4             Writing Records to a Disk File
             18.2.3.5             Reading Records from a Disk File
     18.3     I/O to Mailboxes
     18.4     Network I/O
         18.4.1         Remote File Access
         18.4.2         Task-to-Task Communication
         18.4.3         Accessing a VAX Rdb/VMS Database
Chapter 19
19 Using BASIC in the Common Language Environment
     19.1     Specifying Parameter-Passing Mechanisms
         19.1.1         Passing Parameters by Reference
         19.1.2         Passing Parameters by Descriptor
         19.1.3         Passing Parameters by Value
         19.1.4         HP BASIC Default Parameter-Passing Mechanisms
         19.1.5         Creating Local Copies
         19.1.6         Passing Arrays
     19.2     Calling External Routines
         19.2.1         Determining the Type of Call
         19.2.2         Declaring an External Routine and Its Arguments
         19.2.3         Calling the Routine
     19.3     Calling HP BASIC Subprograms from Other Languages
     19.4     Calling System Routines
         19.4.1         OpenVMS Run-Time Library Routines
         19.4.2         System Service Routines
         19.4.3         System Routine Arguments
         19.4.4         Including Symbolic Definitions
         19.4.5         Condition Values
     19.5     Examples of Calling System Routines
     19.6     OpenVMS Calling Standard
     19.7     Additional Information

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