Added code to fallback to Yosemite or pre-Yosemite system font in case current system font can't be found or is in an unusable format. San Francisco font used on current OS X versions is in a .otf file whih presumably means it has CFF outlines that stb_truetype can't use.

#ifndef TERMINAL_H_
#define TERMINAL_H_

void init_terminal();
void force_no_terminal();

#define INPUT_PATH "/tmp/blastem_input"
#define OUTPUT_PATH "/tmp/blastem_output"

#endif //TERMINAL_H_