add args printing example

2 files changed, 14 insertions, 1 deletions

diff --git a/src/examples/Makefile b/src/examples/Makefile
index eee4bdd..caffa52 100644
--- a/src/examples/Makefile
+++ b/src/examples/Makefile
@@ -8,12 +8,13 @@ PROGS = cat cmp cp echo halt hex-dump ls mcat mcp mkdir pwd rm shell \
 	sumargv lab2test lab1test lab1test2 pfs pfs_reader pfs_writer dummy longrun \
 	child parent create-bad printf
 
-PROGS += create read lab3test1 lab3test2
+PROGS += create read lab3test1 lab3test2 args
 
 create_SRC = create.c
 read_SRC = read.c
 lab3test1_SRC = lab3test1.c
 lab3test2_SRC = lab3test2.c
+args_SRC = args.c
 
 # Added test programs
 printf_SRC = printf.c
diff --git a/src/examples/args.c b/src/examples/args.c
new file mode 100644
index 0000000..643fb01
--- /dev/null
+++ b/src/examples/args.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int
+main (int argc, char **argv)
+{
+  printf ("hello\n");
+  printf ("argc %p: %d\n", &argc, argc);
+  printf ("argv %p: %p\n", &argv, argv);
+  for (int i = 0; i < argc; i++) {
+    printf ("%d: %s\n", i, argv[i]);
+  }
+}