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authorHaidong Ji2022-04-15 15:51:30 -0500
committerHaidong Ji2022-04-15 15:51:30 -0500
commit442a49ad5a48d417345959b903ae6a6d32d55759 (patch)
treec7127bb497e5e439018b1915e0136eec2c9cb124 /13_read_arr1/test.c
Great C programming funHEADmaster
Excellent fundamentals and displine training, many tools and techniques exercises: gdb, emacs, valgrind, git
Diffstat (limited to '13_read_arr1/test.c')
-rw-r--r--13_read_arr1/test.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/13_read_arr1/test.c b/13_read_arr1/test.c
new file mode 100644
index 0000000..824b502
--- /dev/null
+++ b/13_read_arr1/test.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int main(void) {
+ int anArray[] = {5,16,33,99};
+ int * p = anArray;
+ printf("*p = %d\n", *p);
+ p++;
+ printf("Now *p = %d\n", *p);
+ int * q = &anArray[3];
+ int ** x = &q;
+ **x = 12;
+ *x = p;
+ **x = 42;
+ q[1] = 9;
+ for (int i =0; i < 4; i++){
+ printf("anArray[%d] = %d\n",i, anArray[i]);
+ }
+ return EXIT_SUCCESS;
+}