long常量和long long常量

 1 #include <stdio.h>
 2 int main(void)
 3 {
 4     printf("%zd\n", sizeof(5L));  //long int型整数
 5     printf("%zd\n", sizeof(5LL)); //long long int型整数
 6 
 7     printf("%#o\n", 020L);  //八进制的long型整数
 8     printf("%#x\n", 0x10L); //十六进制的long型整数
 9 
10     printf("%d\n", 3LL);   //long long int型3
11     printf("%d\n", 5ull);  //unsigned long long int型5
12     printf("%d\n", 10llu); //unsigned long long int型10
13     printf("%d\n", 6LLU);  //unsigned long long int型6
14     printf("%d\n", 9Ull);  //unsigned long long int型9
15 
16     return 0;
17 }