make string from macro in C language

#define MKS_(x) #x

#define MKSTRING(x) MKS_(x)



#define M1 "macro 1 macro 1"

#define M2 macro 2





int main()

{

    printf("%s\n",MKSTRING(M1));

    printf("%s\n",MKSTRING(M2));

    printf("%s\n",MKSTRING(string1));

    printf("%s\n",MKSTRING(str str));

    printf("%s\n",MKSTRING(123 456 78 9));

    return 0;

}