/* lastchar.cpp by K. Tsuru*/
#include <string.h>
/***************************
It returns the ponter of last character of the string "s".
****************************/
char* LastChar(const char* s){
    char* p;
    if(*s == '\0') return NULL; //empty
    p = strchr(s, 0);   //"p" points last '\0' of "s".
    return (p-1);
}