float buf_load(string filename);
void buf_save(float buf, string filename);
-// modulo function
-#ifndef MENUQC
-float mod(float a, float b) { return a - (floor(a / b) * b); }
-#endif
-
#define TIME_TO_NTHS(t,n) floor((t) * (n) + 0.4)
string format_time(float seconds);
string mmsss(float t);