拾月凄辰

摘要： 1 #include <stdio.h> 2 int main() 3 { 4 unsigned char a = 128; 5 char b = a; 6 printf("a = %d , b = %d",a,b); 7 return 0; 8 } 输出结果为 a = 128 , b = -128 阅读全文