1 files changed, 19 insertions, 0 deletions
diff --git a/memmove.c b/memmove.c
new file mode 100644
index 0000000..f766ad0
--- /dev/null
+++ b/memmove.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <string.h>
+
+int main()
+{
+  char str[20] = "abc,def";
+
+  printf("memmove()実行前\n");
+  printf("%s\n", str);
+  /// => abc,def
+
+  if (memmove(str+4, str, strlen(str))) {
+    printf("memmove()実行後\n");
+    printf("%s\n", str);
+    // => abc,abc,def
+  } else {
+    fprintf(stderr, "エラー発生\n");
+  }
+}