#include <stdio.h>
#include <string.h>

int main() 
{
    char ch[]='c';
    char name[]={'c',' ','p','r','o','g','r','a','m'};
int len=strlen(name);
printf("%d\n",len);
char str[]="Hello";
char str2[]="hello";
int res=strcmp(str,str2);
printf("%d\n",res);
char str3[10];
strcpy(str3,str2);
printf("%s\n",str3);
char str4[]="World";
strcat(str4,str2);
printf("%s",str4);
return 0;
}