ref: 58a980e4715f44abe4e4f424998abb1db09961ba
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;