updated with more programs.

Senthil Kumaran · Senthil Kumaran · commit 192b1e2c2fa4 · 2024-11-30T23:05:35.000Z
diff --git a/source/_templates/layout.html b/source/_templates/layout.html
@@ -5,10 +5,6 @@
         crossorigin="anonymous"></script>
 {% endblock %}
 
-{% block extrabody %}
-<h2>Choose only one master - Nature.</h2>
-{% endblock %}
-
 {% block content %}
 
 {{ super() }}
diff --git a/source/conf.py b/source/conf.py
@@ -99,4 +99,4 @@
     footer_links = ",".join([
         "Senthil Kumaran|https://senthil.learntosolveit.com/",
     ]),
-)
+)
diff --git a/source/cprogramming/concepts/concepts.rst b/source/cprogramming/concepts/concepts.rst
@@ -14,4 +14,5 @@ C Programming Building Blocks
 11. Using extern
 12. Using enums
 13. Important C headers.
-14. Program Structure
+14. Program Structure
+15. malloc and calloc
diff --git a/source/cprogramming/concepts/cprogs/p11_defines_two_dimensional_arrays.c b/source/cprogramming/concepts/cprogs/p11_defines_two_dimensional_arrays.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+#define ROWS 5
+#define COLS 10
+
+int main(int argc, char *argv[]) {
+    int multi[ROWS][COLS];
+
+    int row, col;
+
+    for (row = 0; row < ROWS; row++) {
+        for (col = 0; col < COLS; col++) {
+            multi[row][col] = row * col;
+        }
+    }
+
+    for (row = 0; row < ROWS; row++) {
+        for (col = 0; col < COLS; col++) {
+            printf("\n%d ", multi[row][col]);
+            printf("%d ", *(*(multi + row) + col));
+        }
+    }
+}
diff --git a/source/cprogramming/concepts/cprogs/p12_typedef.c b/source/cprogramming/concepts/cprogs/p12_typedef.c
@@ -0,0 +1,9 @@
+#include<stdio.h>
+
+int main(int argc, char *argv[]) {
+    typedef unsigned char byte;
+
+    byte b[] = {'b', 'y', 't', 'e', '\0'};
+
+    printf("%s", b);
+}
diff --git a/source/cprogramming/concepts/cprogs/p13_malloc.c b/source/cprogramming/concepts/cprogs/p13_malloc.c
@@ -0,0 +1,25 @@
+#include<stdio.h>
+#include<stdlib.h>
+
+#define COLS 5
+
+
+int main(int argc, char *argv[]) {
+
+    typedef int RowArray[COLS];
+    RowArray  *rptr;
+
+    int nrows = 10;
+    int row, col;
+
+    rptr = malloc(nrows * COLS * sizeof (int));
+
+    for (row = 0; row < nrows; row++ )  {
+        for (col = 0; col < COLS; col++) {
+            rptr[row][col] = row * col;
+        }
+    }
+
+    free(rptr);
+    return 0;
+}
diff --git a/source/cprogramming/concepts/cprogs/p3_charater_array_string.c b/source/cprogramming/concepts/cprogs/p3_charater_array_string.c
diff --git a/source/cprogramming/concepts/cprogs/p9_structures.c b/source/cprogramming/concepts/cprogs/p9_structures.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <string.h>
+
+int main(int argc, char *argv[]) {
+    struct tag {
+        char lname[20];
+        char fname[20];
+        int age;
+        float rate;
+    };
+
+    struct tag my_struct;
+
+    strcpy(my_struct.lname, "Kumaran");
+    strcpy(my_struct.fname, "Senthil");
+
+    printf("\n%s ", my_struct.fname);
+    printf("%s\n", my_struct.lname);
+
+    return 0;
+}
+
