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#define FBGL_IMPLEMENTATION #include "../fbgl.h" #include <stdio.h> int main(int argc, char *argv[]) { fbgl_t fb; fbgl_init("/dev/fb0", &fb); fbgl_set_bg(&fb, 0xFFFFFF); while(1) { if(fbgl_check_esc_key()) { printf("pressed"); fbgl_set_bg(&fb, 0x000000); } } return 0; }