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MPLAB® XC16 C Compiler User Guide
MPLAB® XC16 C Compiler User Guide
  1. Home
  2. 15 Functions
  3. 15.1 Writing Functions
  4. 15.1.2 Function Attributes
  5. 15.1.2.7 deprecated

  • Notice to Development Tools Customers
  • 1 Preface
  • 2 Compiler Overview
  • 3 Compiler and Other Development Tools
  • 4 Common C Interface
  • 5 How To's
  • 6 XC16 Toolchain and MPLAB X IDE
  • 7 Compiler Command-Line Driver
  • 8 Device-Related Features
  • 9 Differences Between MPLAB XC16 and ANSI C
  • 10 Supported Data Types and Variables
  • 11 Fixed-Point Arithmetic Support
  • 12 Memory Allocation and Access
  • 13 Operators and Statements
  • 14 Register Usage
  • 15 Functions
    • 15.1 Writing Functions
      • 15.1.1 Function Specifiers
      • 15.1.2 Function Attributes
        • 15.1.2.1 address (addr)
        • 15.1.2.2 alias ("target")
        • 15.1.2.3 auto_psv, no_auto_psv
        • 15.1.2.4 boot
        • 15.1.2.5 const
        • 15.1.2.6 context
        • 15.1.2.7 deprecated
        • 15.1.2.8 far
        • 15.1.2.9 format (archetype, string-index, first-to-check)
        • 15.1.2.10 format_arg (string-index)
        • 15.1.2.11 keep
        • 15.1.2.12 naked
        • 15.1.2.13 near
        • 15.1.2.14 noload
        • 15.1.2.15 noreturn
        • 15.1.2.16 optimize
        • 15.1.2.17 priority(n)
        • 15.1.2.18 round(mode)
        • 15.1.2.19 save(list)
        • 15.1.2.20 section ("section-name")
        • 15.1.2.21 secure
        • 15.1.2.22 shadow
        • 15.1.2.23 shared
        • 15.1.2.24 unsupported("message")
        • 15.1.2.25 unused
        • 15.1.2.26 user_init
        • 15.1.2.27 weak
    • 15.2 Function Size Limits
    • 15.3 Allocation of Function Code
    • 15.4 Changing the Default Function Allocation
    • 15.5 Inline Functions
    • 15.6 Memory Models
    • 15.7 Function Call Conventions
  • 16 Interrupts
  • 17 Main, Runtime Startup and Reset
  • 18 Mixing C and Assembly Code
  • 19 Library Routines
  • 20 Optimizations
  • 21 Preprocessing
  • 22 Linking Programs
  • 23 Implementation-Defined Behavior
  • 24 Embedded Compiler Compatibility Mode
  • 25 Diagnostics
  • 26 GNU Free Documentation License
  • 27 Deprecated Features
  • 28 Built-in Functions
  • 29 Document Revision History
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15.1.2.7 deprecated

SeeVariable Attributes for information on the deprecated attribute.

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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