--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fibonacci/fibonacci2.c	Mon Jun 04 02:45:53 2012 +0900
@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+long unsigned int fibonacci(long unsigned int num, long unsigned int count, long unsigned int result, long unsigned int prev) {
+	if (count == 0) {
+		result += 0;
+		count++;
+	} else if (count == 1) {
+		result += 1;
+		count++;
+	} else if (count > 1) {
+		long unsigned int tmp = prev;
+		prev = result;
+		result = result + tmp;
+		count++;
+	} else {
+		printf("please enter nutural number\n");
+		exit(0);
+	}
+	if (num < count) 
+		return result;
+	return fibonacci(num, count, result, prev);
+	
+}
+
+
+int main(int argc, char* argv[]) {
+	long unsigned int num = (long unsigned int)atoi(argv[1]);
+//		long unsigned int result = fibonacci(num, 0, 0, 0);
+	long unsigned int i;
+	for (i=0; i <= num; i++) {
+		long unsigned int result = fibonacci(i, 0, 0, 0);
+		printf("fibonacci(%ld) = %ld\n",i,result);
+	}
+
+	return 0;
+}