#include <stdio.h>

#include <string.h>

int main(){

    char a[]={'1','2','3','\0'};

    printf("%s\n",a);//123

    strcpy(a,"asd\0dff");

    printf("%lu\n",sizeof"asd\0dff");//8

    printf("%s\n",a);//asd

    return 0;

}

#include <stdio.h>

#include <string.h>

int main(){

    char a[]={'1','2','3','\0'};

    printf("%s\n",a);//123

    strcpy(a,"asd\0dff");

    printf("%lu\n",sizeof"asd\0dff");//8

    printf("%s\n",a);//asd

    return 0;

}