Enum and struct for calculation in inputHandling.h

src/inputHandling.c

@@ -22,3 +22,5 @@ void deleteWhitespace(){
         }
     }
 }
+
+

src/inputHandling.h

@@ -1,6 +1,19 @@
 #ifndef INPUTHANDLING_H
 #define INPUTHANDLING_H
 
+typedef enum{
+    opAdd, opSub, opDiv, opMult, opExp, opLog
+}op;
+
+typedef struct {
+op funktionstyp;
+char* formel;
+double array[10];
+void* child;
+double result;
+}calc_op;
+
 extern void input();
 
+
 #endif // INPUTHANDLING_H