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Oracle Solaris Studio 12.3: C User's Guide     Oracle Solaris Studio 12.3 Information Library
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1.  Introduction to the C Compiler

2.  C-Compiler Implementation-Specific Information

3.  Parallelizing C Code

4.  lint Source Code Checker

5.  Type-Based Alias Analysis

6.  Transitioning to ISO C

7.  Converting Applications for a 64-Bit Environment

7.1 Overview of the Data Model Differences

7.2 Implementing Single Source Code

7.2.1 Derived Types <sys/types.h> <inttypes.h>

Fixed-Width Integer Types

Helpful Types Such as unintptr_t

Constant Macros


Format String Macros

7.2.2 Checking With lint

7.3 Converting to the LP64 Data Type Model

7.3.1 Integer and Pointer Size Change

7.3.2 Integer and Long Size Change

7.3.3 Sign Extension

7.3.4 Pointer Arithmetic Instead of Integers

7.3.5 Structures

7.3.6 Unions

7.3.7 Type Constants

7.3.8 Beware of Implicit Declarations

7.3.9 sizeof( ) Is an Unsigned long

7.3.10 Use Casts to Show Your Intentions

7.3.11 Check Format String Conversion Operation

7.4 Other Conversion Considerations

7.4.1 Note: Derived Types That Have Grown in Size

7.4.2 Check for Side Effects of Changes

7.4.3 Check Literal Uses of long Still Make Sense

7.4.4 Use #ifdef for Explicit 32-bit Versus 64-bit Prototypes

7.4.5 Calling Convention Changes

7.4.6 Algorithm Changes

7.5 Checklist for Getting Started

8.  cscope: Interactively Examining a C Program

A.  Compiler Options Grouped by Functionality

B.  C Compiler Options Reference

C.  Implementation-Defined ISO/IEC C99 Behavior

D.  Features of C99

E.  Implementation-Defined ISO/IEC C90 Behavior

F.  ISO C Data Representations

G.  Performance Tuning

H.  Oracle Solaris Studio C: Differences Between K&R C and ISO C


7.5 Checklist for Getting Started

Use the following checklist to help you convert your code to 64-bit.