#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>

typedef struct Option_i32 Option_i32;

typedef struct Result_i32__String Result_i32__String;

typedef struct Vec_String Vec_String;

void root(const struct Vec_String *a,
          const struct Option_i32 *b,
          const struct Result_i32__String *c);