• Microsoft Developer Network
  • ▶Highlights
  • ▶Technical Articles
  • ▶Sample Code
  • ▶Resource and Strategy
  • ▶Knowledge Base and Bug Lists
  • ▶Books and Magazine Articles
  • ▼Product Documentation
    • ▼C/C++ 7.0
      • ▶Programming Techniques
      • ▼C Language Reference
        • Title Page
        • ▶Introduction
        • ▶Chapter 1 Elements of C
        • ▶Chapter 2 Program Structure
        • ▶Chapter 3 Declarations and Types
        • ▶Chapter 4 Expressions and Assignments
        • ▶Chapter 5 Statements
        • ▶Chapter 6 Functions
        • ▶Chapter 7 Preprocessor Directives and Pragmas
        • ▶Appendix A C Language Syntax Summary
        • ▼Appendix B Implementation-Defined Behavior
          • Appendix B Implementation-Defined Behavior
          • ▶B.1 Translation
          • ▶B.2 Environment
          • ▶B.3 Identifiers
          • ▶B.4 Characters
          • ▶B.5 Integers
          • ▶B.6 Floating-Point Math
          • ▶B.7 Arrays and Pointers
          • ▶B.8 Registers
          • ▶B.9 Structures, Unions, Enumerations, and Bit Fields
          • ▶B.10 Qualifiers
          • ▶B.11 Declarators
          • ▶B.12 Statements
          • ▶B.13 Preprocessing Directives
          • ▼B.14 Library Functions
            • B.14 Library Functions
            • NULL Macro
            • Diagnostic Printed by the assert Function
            • Character Testing
            • Domain Errors
            • Underflow of Floating-Point Values
            • The fmod Function
            • The signal Function
            • Default Signals
            • The SIGILL Signal
            • Terminating Newline Characters
            • Blank Lines
            • Null Characters
            • File Position in Append Mode
            • Truncation of Text Files
            • File Buffering
            • Zero-Length Files
            • Filenames
            • File Access Limits
            • Deleting Open Files
            • Renaming with a Name That Exists
            • Printing Pointer Values
            • Reading Pointer Values
            • Reading Ranges
            • File Position Errors
            • Messages Generated by the perror Function
            • Allocating Zero Memory
            • The abort Function
            • The atexit Function
            • Environment Names
            • The system Function
            • The strerror Function
            • The Time Zone
            • The clock Function
        • ▶Appendix C Differences Between C Versions 6.0 and 7.0
      • ▶Class Libraries Reference
      • ▶Class Libraries User's Guide
      • ▶Comprehensive Index and Errors Reference
      • ▶Environment and Tools
      • ▶Run-time Library Reference
      • ▶C++ Tutorial
      • ▶C++ Language Reference
    • ▶Macro Assembler 6.0
    • ▶Multimedia Development Kit
    • ▶OLE 1.0 Programmer's Reference
    • ▶Win32 SDK for Windows NT
    • ▶Windows 3.1 DDK
    • ▶Windows 3.1 SDK
    • ▶QuickC for Windows
  • ▶Unsupported Tools & Utilities