Create pointer1.c

mikephp · mikephp · commit e46092fd7145 · 2016-05-05T18:03:37.000+08:00
diff --git a/src/array/pointer1.c b/src/array/pointer1.c
@@ -0,0 +1,22 @@
+#include "stdio.h"
+
+int main()
+{
+    char *p1,*p2,*p3;
+	char ch[] = {'a', 'b', 'c'};
+	char **pp;
+	p1 = ch;
+	pp = &ch;
+	p2 = *pp;
+	printf("char *p1,*p2,*p3;\nchar ch[] = {'a', 'b', 'c'};\nchar **pp;\np1 = ch;\npp = &ch;\np2 = *pp;\n\n");
+	printf("p1 %p\np2 %p\npp %p\n ch %p\n&ch %p\n",p1,p2,pp,ch,&ch);
+	printf("\n&ch[0] %p\n&ch[1] %p\n&ch[2] %p\n",&ch[0],&ch[1],&ch[2]);
+	if (p1 == p2) {
+		printf("p1  == p2\n");
+	} else {
+		printf("p1 != p2\n");
+	}
+
+	printf("p3 = %p\n", p3);
+	return 0;
+}
