#include<stdio.h> int main(){ void copy_string(char *from,char *to); int i; char a[50]="I am a teacher."; char b[]="You are a student."; char *p1=a,*p2=b; printf("String1=%s,String2=%s\n",p1,p2); for(i=0;*p1!='\0';i++) *p1++; ...