exercise 3

Exercise 3/Lexer.c

@@ -0,0 +1,28 @@
+#include "Lexer.h"
+
+int start(char* src) {
+    if (src != 0 && src != '\0') {      // checking if the string is empty or invalid
+        return _GET_NEXT_CHARACTER_;
+    }
+    return _STOP_;
+}
+
+int getNextCharacter(char* src) {
+    return _STOP_;                      // placeholder
+}
+
+int readIdentifier(char* src) {
+    return _STOP_;                      // placeholder
+}
+
+int readNumLit(char* src) {
+    return _STOP_;                      // placeholder
+}
+
+int readOperator(char* src) {
+    return _STOP_;                      // placeholder
+}
+
+int readPunctuation(char* src) {
+    return _STOP_;                      // placeholder
+}