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#include <stdio.h>
main(){
char a[]={"hello"},b[]={"world"};
char *s1,*s2;
s1=a;
s2=b;
while(*s1++=*s2++);
printf("%s %s",s1,s2);
return 0;
}
void copyer(char *s1,const char *s2){
while(*s1++=*s2++);
}
#include <stdio.h>
void main(){
char a[]="hello",b[]="world";
char *s1,*s2;
s1=a;
s2=b;
while( *s1++ = *s2++ );
printf("%s %s",a,b);
return ;
}