#include <stdio.h>
#include "tinyfiledialogs/tinyfiledialogs.h"

int main () {
    char const * imageFilterPatterns[2] = {"*.png", "*.jpg"};
    char* filename = tinyfd_openFileDialog("Please select an image", 
            "", 
            2, 
            imageFilterPatterns, 
            "Image Files", 
            0);

    printf("%s\n", filename);
}