split source / header

Tsuyoshi-Iwanaga · Mar 18, 2021 · 7177a85 · 7177a85
1 parent ef6dd89
commit 7177a85
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diff --git a/c_sample/020/main.c b/c_sample/020/main.c
@@ -0,0 +1,11 @@
+/* main.c */
+#include <stdio.h>
+#include "sum.h"
+
+int main(void)
+{
+  int value;
+  value = sum(50, 100);
+  printf("%d\n", value);
+  return 0;
+}
diff --git a/c_sample/020/sum.c b/c_sample/020/sum.c
@@ -0,0 +1,7 @@
+/* sum.c */
+int sum(int min, int max) 
+{
+  int num;
+  num = (min + max) * (max - min + 1) / 2;
+  return num;
+}
diff --git a/c_sample/020/sum.h b/c_sample/020/sum.h
@@ -0,0 +1,2 @@
+/*sum.h*/
+int sum(int min, int max);