ref: 8527cab75ec4a90abf10f869c9ba9d85a1147757
dir: /rat.h/
typedef struct Rat Rat; struct Rat { vlong num; vlong den; }; #pragma varargck type "R" Rat Rat ratmk(vlong, vlong); Rat ratrecip(Rat); Rat ratneg(Rat); Rat ratadd(Rat, Rat); Rat ratsub(Rat, Rat); Rat ratmul(Rat, Rat); Rat ratpow(Rat, int); void ratfmtinstall(void);