ref: 91c079724e36fdcf6a8a00262ff12f678ee50a22
dir: /sys.h/
// sys.h -- non-portable functions enum{ THin = 1, THnet = 3 }; void Sys_Quit(void); void Sys_LowFPPrecision(void); void Sys_HighFPPrecision(void); void* emalloc(ulong); vlong flen(int); double Sys_FloatTime(void); char* Sys_ConsoleInput(void); void Sys_SendKeyEvents(void); // call Key_Event() until the input queue is empty