How to store the exact literal of #define in a string for printing [duplicate] - c-preprocessor

Question

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Closed 5 days ago.
There is a Macro #define buried deep in the libraries that I would like to quickly know the exact value of. Is there a way to store the value of the definition into a String so I could print it?
#define intgr 12
#define bnry 0b00000001
#define hex 0x0A
#define str "Hello World"
String myStr;
myStr = intgr;
cout<< myStr << endl; //Simple enough, work no problem
//12 <- actual
//12 <- expected
myStr = bnry; // using "bnry" would not work as #define does not touch inside quotes
cout<< myStr << endl;
//1 <- actual
//0b00000001 <- expected
myStr = hex;
cout<< myStr << endl;
//10 <- actual
//0x0A <- expected
myStr = str;
cout<< myStr << endl;
//Hello World <- actual
//"Hello World" <- expected, must include the quotation

Answer 1

You can use the well-known process of "stringizing" a pre-processor symbol, as shown below.
#include <stdio.h>
#define intgr 12
#define bnry 0b00000001
#define hex 0x0A
#define str "Hello World"
#define STRING(x) #x
#define STRINGIZE(x) STRING(x)
int main(void) {
char* strintgr = STRINGIZE(intgr);
char* strbnry = STRINGIZE(bnry);
char* strhex = STRINGIZE(hex);
char* strstr = STRINGIZE(str);
printf("%s\n", strintgr);
printf("%s\n", strbnry);
printf("%s\n", strhex);
printf("%s\n", strstr);
return 0;
}
Link to IDEOne Code in C
Link to IDEOne Code in C++
P.S. I used C syntax and char* type, however, after the pre-processor macros, C++ output and string type should work just as well.
Output
12
0b00000001
0x0A
"Hello World"