||=== Build: Debug in test4 (compiler: GNU GCC Compiler) ===|
13|error: invalid type argument of '->' (have 'unsigned int')|
||=== Build failed: 1 error(s), 0 warning(s) (0 minute(s), 0 second(s)) ===|

#include <stdio.h>
#include <stdlib.h>
 
typedef struct errorStruct{
     enum ErrorCompile { sintax, declaration } ErrorCompile;
     enum ErrorDriver { connection, power } ErrorDriver;
}ErrorStruct;
 
int main()
{
    ErrorStruct *myErrorStruct = calloc(sizeof(ErrorStruct),1);
 
    printf("Error %d\n",myErrorStruct->ErrorCompile->declaration);
 
	return 0;
}