• C语言中uint8 取 ~ 会变成 int类型。
  • 方法：
  • gcc -g test.c -o test
  • gdb test
  • b 5
  • ptype ~t
  • ptype t
  • ref https://stackoverflow.com/questions/2160635/is-there-a-way-to-print-out-the-type-of-a-variable-pointer-in-c
  • code is below

c
#include <stdio.h>
#define uint8 unsigned char
int main()
{
    uint8 t = 9;
    printf("~t is %d \n",~t);
    printf("t is %d \n",t);
    return 0;
}