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MPLAB XC-DSC C Compiler User's Guide
MPLAB XC-DSC C Compiler User's Guide
  1. Home
  2. 4 How To's
  3. 4.3 Writing Source Code
  • Notice to Development Tools Customers
  • 1 Preface
  • 2 Compiler Overview
  • 3 Compiler and Other Development Tools
  • 4 How To's
    • 4.1 Installing and Activating the Compiler
    • 4.2 Invoking the Compiler
    • 4.3 Writing Source Code
      • 4.3.1 C Language Specifics
      • 4.3.2 Device-Specific Features
      • 4.3.3 Memory Allocation
      • 4.3.4 Variables
      • 4.3.5 Functions
      • 4.3.6 Interrupts
      • 4.3.7 Assembly Code
    • 4.4 Getting My Application to Do What I Want
    • 4.5 Understanding the Compilation Process
    • 4.6 Fixing Code That Does Not Work
  • 5 XC-DSC Toolchain and MPLAB® X IDE
  • 6 Compiler Command-Line Driver
  • 7 Device-Related Features
  • 8 Differences Between MPLAB® XC-DSC and C Standard
  • 9 Supported Data Types and Variables
  • 10 Fixed-Point Arithmetic Support
  • 11 Memory Allocation and Access
  • 12 Operators and Statements
  • 13 Register Usage
  • 14 Functions
  • 15 Interrupts
  • 16 Main, Runtime Startup and Reset
  • 17 Mixing C and Assembly Code
  • 18 Library Routines
  • 19 Optimizations
  • 20 Preprocessing
  • 21 Linking Programs
  • 22 Implementation-Defined Behavior
  • 23 Embedded Compiler Compatibility Mode
  • 24 Common C Interface
  • 25 Diagnostic Pragmas
  • 26 Diagnostic Messages
  • 27 GNU Free Documentation License
  • 28 Built-in Functions
  • 29 Document Revision History
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4.3 Writing Source Code

This section presents issues that pertain to the source code you write. It has been subdivided into sections listed below.

  • C Language Specifics
  • Device-Specific Features
  • Memory Allocation
  • Variables
  • Functions
  • Interrupts
  • Assembly Code

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

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