Programmer's Guide to Writing Programs

Table of Contents

Index

Chapter 7: Creating Portable Programs

• 7.1 Introduction to Portability
• 7.2 The INTLEVEL Compiler Directive
  • 7.2.1 Supported Environments
  • 7.2.2 Creating Portable Intermediate Code
• 7.3 Portable Syntax
  • 7.3.1 Restrictions
  • 7.3.2 Porting to Object COBOL Development Suite or Earlier
    • 7.3.2.1 Syntax Checking
    • 7.3.2.2 Syntax Flagged
    • 7.3.2.3 Syntax Not Flagged
    • 7.3.2.4 Object Oriented Programs
    • 7.3.2.5 Using the LINKCOUNT Directive
    • 7.3.2.6 Debugging and .idy Files
    • 7.3.2.7 Other Directives
• 7.4 Portability Guidelines
  • 7.4.1 Operating System Specific Features
  • 7.4.2 The User Attribute Byte
  • 7.4.3 Screen I/O
  • 7.4.4 Case Sensitivity
  • 7.4.5 Paths
  • 7.4.6 Extended Character Sets
  • 7.4.7 The Alt and Ctrl Keys
  • 7.4.8 Undefined Results
  • 7.4.9 USAGE COMP-5
  • 7.4.10 $SET and Generator Directives
  • 7.4.11 The ROLLBACK Statement
• 7.5 File Portability