#include<stdio.h>

int main(void)
{
    char str[16] = "abcdefh";
    char *str2 = "ijk";
    int len;

    for (len = 0; str[len] != '\0'; printf("%c\n", str[len++]));
    printf("文字列の長さは%d\n", len);

    while (*str2 != '\0') {
        str[len++] = *(str2++);
    }
    printf("%s\n", str);

    return 0;
}