- 15 名前：デフォルトの名無しさん mailto:sage [2025/04/08(火) 17:56:48.21 ID:2okZDSQp.net]
- https://paiza.io/projects/rv9vO_a1L2JJOY0xHxJB5Q
#include <stdio.h>
#include <stdint.h>
typedef unsigned long ulong;
typedef unsigned long long ulonglong;
int main()
{
fprintf(stdout, "size_t: %llu\n", sizeof(size_t)); // 8
fprintf(stdout, "int: %llu\n", sizeof(int)); // 4
fprintf(stdout, "int32_t: %llu\n", sizeof(int32_t)); // 4
fprintf(stdout, "int64_t: %llu\n", sizeof(int64_t)); // 8
fprintf(stdout, "ulong: %llu\n", sizeof(ulong)); // 8 (unix) 4 (windows)
fprintf(stdout, "ulonglong: %llu\n", sizeof(ulonglong)); // 8
int *a = 0; // ++a == 2 (16bit) or 4 (32bit)
fprintf(stdout, "++a: %p\n", ++a);
long long *p = 0; // ++p == 8 (64bit)
fprintf(stdout, "++p: %p\n", ++p);
unsigned char *b = 0; // ++b == 1 (8bit)
fprintf(stdout, "++b: %p\n", ++b);
char *c = 0; // ++c == 1 (8bit)
fprintf(stdout, "++c: %p\n", ++c);
return 0;
}
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