In 32-bit and 64-bit systems, the length of main types of C ++ is compared, 32-bit 64-bit

In 32-bit and 64-bit systems, the length of main types of C ++ is compared, 32-bit 64-bit
Comparison of C ++ Main Types in 32-bit and 64-bit Systems 1. Source Code

#include 
 
  using namespace std;int main(int argc, const char * argv[]){    cout << "sizeof(char) =      " << sizeof(char) << endl;    cout << "sizeof(short) =     " << sizeof(short) << endl;    cout << "sizeof(int) =       " << sizeof(int) << endl;    cout << "sizeof(float) =     " << sizeof(float) << endl;    cout << "sizeof(long) =      " << sizeof(long) << endl;    cout << "sizeof(void *) =    " << sizeof(void *) << endl;    cout << "sizeof(long long) = " << sizeof(long long) << endl;    cout << "sizeof(double) =    " << sizeof(double) << endl;    return 0;}
 

2. 32-bit System

Macos System (Version: 10.13.2)

Compiler: clang ++

Apple LLVM version 9.0.0 (clang-900.0.39.2)

Target: x86_64-apple-darwin17.3.0)

Compilation option:-arch i386

sizeof(char) =      1sizeof(short) =     2sizeof(int) =       4sizeof(float) =     4sizeof(long) =      4sizeof(void *) =    4sizeof(long long) = 8sizeof(double) =    8

3. 64-bit System

Macos System (Version: 10.13.2)

Compiler: clang ++

Apple LLVM version 9.0.0 (clang-900.0.39.2)

Target: x86_64-apple-darwin17.3.0)

Compilation option:-arch x86_64

sizeof(char) =      1sizeof(short) =     2sizeof(int) =       4sizeof(float) =     4sizeof(long) =      8sizeof(void *) =    8sizeof(long long) = 8sizeof(double) =    8

4. Length comparison table

Comparison between 32-bit and 64-bit System Types

Type	32-bit system length	64-bit system length	Description
Char	1	1
Short	2	2
Int	4	4
Float	4	4
Long	4	8	Long TYPE: 32-bit System 4-byte, 64-bit system 8-byte
Void *	4	8	Pointer type: 32-bit System 4-byte, 64-bit system 8-byte
Long	8	8
Double	8	8