feat(ref):Add example code

diff --git a/ref/src/YYYY-mm-dd..example/.gitignore b/ref/src/YYYY-mm-dd..example/.gitignore
new file mode 100644 (file)
index 0000000..ce01362
--- /dev/null
+++ b/ref/src/YYYY-mm-dd..example/.gitignore
@@ -0,0 +1 @@
+hello

diff --git a/ref/src/YYYY-mm-dd..example/Makefile b/ref/src/YYYY-mm-dd..example/Makefile
new file mode 100644 (file)
index 0000000..2a06090
--- /dev/null
+++ b/ref/src/YYYY-mm-dd..example/Makefile
@@ -0,0 +1,10 @@
+CC=gcc
+CFLAGS=-Wall -Wextra -pedantic
+OUTFILE=hello
+SOURCE=hello.c
+
+all: $(SOURCE)
+       $(CC) $(CFLAGS) -o $(OUTFILE) $(SOURCE)
+
+clean:
+       rm -f $(OUTFILE)

diff --git a/ref/src/YYYY-mm-dd..example/hello.c b/ref/src/YYYY-mm-dd..example/hello.c
new file mode 100644 (file)
index 0000000..7791fbb
--- /dev/null
+++ b/ref/src/YYYY-mm-dd..example/hello.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+  printf("Hello world!\n");
+  return 0;
+}