1 files changed, 31 insertions, 0 deletions
diff --git a/include/string.h b/include/string.h
new file mode 100644
index 0000000..72b15cf
--- /dev/null
+++ b/include/string.h
@@ -0,0 +1,31 @@
+#ifndef STRING_H
+#define STRING_H
+
+#include "types.h"
+uint16 strlength(string ch)
+{
+        uint16 i = 1;
+        while(ch[i++]);  
+        return --i;
+}
+
+/* Added in episode 3*/ /*This function compares two strings and returns true (1) if they are equal or false (0) if they are not equal */
+
+uint8 strEql(string ch1,string ch2)                     
+{
+        uint8 result = 1;
+        uint8 size = strlength(ch1);
+        if(size != strlength(ch2)) result =0;
+        else 
+        {
+        uint8 i = 0;
+        for(i;i<=size;i++)
+        {
+                if(ch1[i] != ch2[i]) result = 0;
+        }
+        }
+        return result;
+}
+
+
+#endif