How to keep compile times down in C

If I structure my C program like this will it keep the compile times down as the project grows?

#include <stdio.h>
#include "lib/manager/manager.h"
#include "lib/loop/loop.h"
#include "lib/utility/utility.h"

int main()
{
    FN fn;
    dev_loop_init(&fn);
    dev_utility_init(&fn);

    fn.util.log("test");

    return 0;
}

A manager.h header file which I will include in every "module".

#ifndef DEV_MANAGER
#define DEV_MANAGER

typedef struct {
    void (*start) (void);
    void (*stop) (void);
} Loop;

typedef struct {
    void (*log) (char* message);
} Utility;

typedef struct {
    Loop loop;
    Utility util;
} FN;

#endif

An example module, loop.h.

#include "../manager/manager.h"

#ifndef DEV_LOOP
#define DEV_LOOP

void dev_loop_init(FN *fn);

#endif

And the loop.c functions

#include "loop.h"

static void dev_loop_start(){}

static void dev_loop_stop(){}

void dev_loop_init(FN *fn)
{
    fn->loop.start = &dev_loop_start;
    fn->loop.stop = &dev_loop_stop;
}

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