How to change from SDT to ADT

[gungsakab]

How can I change a code from Structured Data Type to Abstract Data Type ?

typedef enum Bool{false = 0, true = 1} TBool; 
typedef enum Color{red, blue, yellow, green, violet, orange} TColor; 
TColor Mix(TColor C1, TColor C2); 
TBool Primary(TColor C); 
void From(TColor C, TColor *C1, TColor *C2); 
TColor Mix(TColor C1, TColor C2){ 
if(((C1 == red) && (C2 == yellow)) || ((C1 == yellow)&&(C2 == red))) 
return orange; 
else if(((C1 == red) && (C2 == blue)) || ((C1 == blue)&&(C2 == red))) 
return violet; 
else if(((C1 == yellow) && (C2 == blue)) || ((C1 == blue)&&(C2 == yellow))) 
return green; 
} 
TBool Primary(TColor C){ 
if((C == red)||(C == yellow)||(C == blue)) 
return true; 
else 
return false; 
} 
void From(TColor C, TColor *C1, TColor *C2){ 
if (C == orange) 
*C1 = red, *C2 = yellow; 
else if(C == green) 
*C1 = yellow, *C2 = blue; 
else if(C == violet) 
*C1 = red, *C2 = blue; 
}

thank.

[MK27]

An abstract data type is always implemented as a structured data type. Code contains only real data types/structures, not abstractions:

Abstract data type - Wikipedia, the free encyclopedia

"Abstract data types" are just human language descriptions for the purpose of discussion, etc.