upload a configuration file .xml, validate it and save it in the object settings then compare both files

typedef struct {
  char * name;
  char * value;
} setting;

int upload(char * file, setting * settings) {
  return 0;
}

int upload(char * file, setting * settings) {
  int result = 0;
  //upload the file
  //validate the file
  //save the file in the object
  return result;
}

int compare(setting * settings1, setting * settings2) {
  return 0;
}