ref: db8bb1cf65a89e025244786c70ba5fc76d9e3fc3
dir: /misc.h/
int str2fmt(char *s); uvlong nanosec(void); void yuv420_rgb24( int width, int height, u8int *y, u8int *u, u8int *v, u32int ystride, u32int uvstride, u8int *rgb, u32int rgbstride); extern int nproc; extern int debug;