#include <stdio.h>

void copy1(const char *from, char *to);
void copy2(const char *from, char *to);

int main(void)
{
	char *str1 = "おれは",
		 str2[10], 
		 str3[] = "浅川だ", 
		 str4[10];

	copy1(str1, str2);
	printf("str1 = (%s)\n", str1);

	copy2(str3, str4);
	printf("str3 = (%s)\n", str3);

	return 0;
}

void copy1(const char *from, char *to)
{
	int i;

	for (i=0; to[i] = from[i]; i++)
		;
}

void copy2(const char *from, char *to)
{
	for ( ; *to = *from; from++, to++)
		;
}