include stdio include stdlib int main int char Hello world char mother

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#include <stdio.h>
#include <stdlib.h>
int main()
{
int i=0;
char s[]="Hello world";
char *c="mother";
do
{
s[i]=*c;
i++;
}
while(*(c++));
printf("%s\n",s);
printf("Hello world!\n");
return 0;
}