1 files changed, 46 insertions, 0 deletions
diff --git a/c99.c b/c99.c
new file mode 100644
index 0000000..d9b4357
--- /dev/null
+++ b/c99.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <memory.h>
+
+struct node
+{
+    int x;
+    int y;
+    int z;
+
+    char name[21];
+};
+typedef struct node node_t;
+
+void mymemset(void *mem, char c, unsigned int n)
+{
+    char *p = (char *) mem;
+
+    while (n--)
+        *p++ = c;
+}
+
+void func(int arr[])
+{
+    printf("the size of arr is: %lu\n", sizeof(arr));
+    arr[0] = 9;
+}
+
+int main(int argc, char *argv[])
+{
+    node_t *p = (node_t *) malloc(sizeof(node_t) + 21); /* c99 */
+    strcpy(p->name, "I have a long name");
+
+    printf("%s", p->name);
+
+    int myarr[] = { 1,2,3,4,5,6,7,8,9,10 };
+    func(myarr);
+
+    printf("%d\n", myarr[0]);
+
+    mymemset(p, -1, sizeof(node_t));
+
+    return 0;
+}
+