C语言sizeof、strlen

直接看代码&＃xff1a;

#include
#include
#include
int main(){char str[20] &＃61; "0123456789";
int a &＃61; strlen(str); //*a &＃61; 10*,指的是长度 /
int b &＃61; sizeof(str);//*b &＃61; 20*&＃xff0c;指的是内存空间/
printf("%d",c);
}

转载&＃xff1a;https://blog.csdn.net/M_joy666/article/details/80471230