#include <sys/types.h> #include <string.h> #define nil NULL char*strecpy(char *to, char *e, char *from){	if(to >= e)		return to;	to = memccpy(to, from, '\0', e - to);	if(to == nil){		to = e - 1;		*to = '\0';	}else{		to--;	}	return to;}