warning comparison between pointer and integer

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Gcc4.6.1 warning message for compiling Linux kernel kernel3.0 (original)

GCC4.6.1 warning message for compiling Linux kernel kernel3.0 (original) Author: Yu Chao Email: yuchao86@gmail.com [Yuchao @ yuchao-Latitude-E5410 linux-3.0] $ gcc -- version Gcc (GCC) 4.6.1Copyright 2011 Free Software Foundation, Inc.This program

Compile the warning message (original) for the Linux kernel 3.0 System)

Compile the warning message (original) for the Linux kernel 3.0 System)Yu Chao yuchao86@gmail.com[Yuchao @ yuchao-Latitude-E5410 linux-3.0] $ GCC -- versionGCC (GCC) 4.6.1Copyright 2011 Free Software Foundation, Inc.This program is free software.

16 C Language Compiler Warning (Warning) Types of solutions _c language

A warning message is given when the compiler discovers that there is a problem in the program and there may be problems. Warning messages can mean large errors that are implied in the program, or they may not be a problem. The correct way to handle

Eliminate compile warning)

How to view compilation warnings When the Compilation Program finds that there is a problem somewhere in the program, it may give a warning message. Warning Information may indicate a large hidden error in the program, or it may be true. The correct

Warning: prerequisite DBD: mysql 1 not found error Solution

Warning: prerequisite DBD: mysql 1 not found error solution when using perl-compiled DBD: mysql, the process prompts that the compilation fails, here we want to manually compile the relevant package files; related errors are as follows; www.2cto.com

Key Excerpt from C language (21 ~ 24 array and pointer-top)

21. pointer Basics Pointer essence: A pointer is essentially a variable that requires a certain amount of memory space. The pointer is used to save the value of the memory address. Value Transfer and address transfer: 1. the pointer is a variable,

Win32 and win64 programming are permanent; differences between 64-bit and 32-bit Programming

1. Data Types, especially int-related types, have different lengths on the platform of machines with different digits. The c99 standard does not specify the length of a specific data type, but only specifies the level. For comparison: 16-bit

Comparison of static_cast, dynamic_cast, reinterpret_cast, and const_cast, staticcastconst

Comparison of static_cast, dynamic_cast, reinterpret_cast, and const_cast, staticcastconstImplicit conversion (implicit conversion) short a=2000;int b;b=a; Short is a two-byte short, int Is a four-byte short-type conversion to int-type width

Static_cast, dynamic_cast, reinterpret_cast, const_cast difference comparison

implicit conversion (implicit conversion) Short a=; int b;b=a;Short is two bytes, int is four bytes, the conversion from short to int is a wide transform (the bit number is increased), the compiler does not have warning, as shown in. The widening

Win32 and win64 programming considerations

Data Model (lp32 ilp32 lp64 llp64 ilp64) The 32-bit environment involves the "ilp32" data model because the C data type is 32-bit int, long, and pointer. The 64-bit environment uses different data models. At this time, the long and pointer are

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