1: #include <iostream> 2: #include "../lib/unpsunyj.h" 3: 4: int main(int argc, char **argv) 5: { 6: union { 7: short s; 8: char c[sizeof(short)]; 9: } un; 10: 11: un.s = 0x0103; 12: std::cout << "un.s =: " << un.s << std::endl; 13: printf("%s: ", CPU_VENDOR_OS); 14: if (sizeof(short) == 2) 15: { 16: if (un.c[0] == 1 && un.c[1] == 3) 17: printf("big-endian\n"); 18: else if (un.c[0] == 3 && un.c[1] == 1) 19: printf("little-endian\n"); 20: else 21: printf("unknown\n"); 22: } 23: else 24: printf("sizeof(short) = %d\n", static_cast<int>(sizeof(short))); 25: 26: return 0; 27: } 28:
转载于:https://www.cnblogs.com/sunyongjie1984/p/4339449.html
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