#include <ft2build.h>
#include FT_FREETYPE_H

int main(int argc, char *argv[])
{
    FT_Library library;
    FT_Face face;
    FT_Init_FreeType(&library);
    FT_New_Face(library, argv[1], 0, &face);
    FT_Set_Char_Size(face, 0, 12 * 64, 72, 72);
    FT_Size_Metrics metrics = face->size->metrics;

    printf("%ld, %ld - %ld + %ld\n", 
            (metrics.height - metrics.ascender + metrics.descender) >> 6, 
            metrics.height >> 6, metrics.ascender >> 6, metrics.descender >> 6);
    return 0;
}