测试你的机器是大端规则还是小端规则

/* little endian versus big endian *//* * add: z z+1 z+2 z+3 * mem: 0D 0C 0B 0A //big endian * mem: 0A 0B 0C 0D //little endian * V = 0x0D0C0B0A */#include <stdio.h>#include <stdlib.h>int main(void){int V = 0x0D0C0B0A;char c = *(char *)(&V);if (c == 0x0A || c == 0x0D) {if (c == 0x0A)printf("little endian machine");elseprintf("big endian machine");} elseprintf("test error");putchar('/n');exit(0);}