#include <stdint.h>
#include <stdio.h>

typedef struct {
	char c[4];
	unsigned short mode;
	unsigned short fg;
	unsigned short bg;
} Glyph;

typedef struct {
	long u;
	unsigned short mode;
	unsigned short fg;
	unsigned short bg;
} GlyphUtf32;

typedef struct {
	uint_least32_t u;
	uint_least32_t mode:12;
	uint_least32_t fg:10;
	uint_least32_t bg:10;
} GlyphUtf32Packed;

int main() {
	printf("sizeof(Glyph): %zu bytes\n", sizeof(Glyph));
	printf("sizeof(GlyphUtf32): %zu bytes\n", sizeof(GlyphUtf32));
	printf("sizeof(GlyphUtf32Packed): %zu bytes\n", sizeof(GlyphUtf32Packed));
	return 0;
}