commit 9deb826f70bc039f36638b2506a83d58337ffcba
Author: Jiacai Wang <jiacai_wang@qq.com>
Date:   Wed Aug 4 11:57:03 2021 +0800

    init hello.

diff --git a/hello.c b/hello.c
new file mode 100644
index 0000000..1b70430
--- /dev/null
+++ b/hello.c
@@ -0,0 +1,6 @@
+#include<stdio.h>
+int main(int argc, char* argv[])
+{
+	printf("hello, %s\n", argv[1]);
+	return 0;
+}