Table
| Types | x86_64 (Linux) | x86_64 (Windows) | x86_64 (macOS) | i386 (Linux) | i386 (Windows) | aarch64 (Linux) | aarch64 (macOS) | riscv64 (Linux) |
|---|---|---|---|---|---|---|---|---|
short |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
int |
4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
long |
8 | 4 | 8 | 4 | 4 | 8 | 8 | 8 |
long long |
8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
float |
4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
double |
8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
long double |
16 | 8 | 16 | 12 | 8 | 16 | 8 | 16 |
void* |
8 | 8 | 8 | 4 | 4 | 8 | 8 | 8 |
size_t |
8 | 8 | 8 | 4 | 4 | 8 | 8 | 8 |
Compilers
- Windows: Visual Studio 2019
- macOS: Apple Clang 12/13
- Linux: GCC 8
Source Code
#include <stdio.h>
int main(){
printf("short: %lu\n", sizeof(short));
printf("int: %lu\n", sizeof(int));
printf("long: %lu\n", sizeof(long));
printf("long long: %lu\n", sizeof(long long));
printf("float: %lu\n", sizeof(float));
printf("double: %lu\n", sizeof(double));
printf("long double: %lu\n", sizeof(long double));
printf("void*: %lu\n", sizeof(void*));
printf("size_t: %lu\n", sizeof(size_t));
return 0;
}