ref: 8f2e408448c2c2d16173f244448b8b9a1fcaf6d7 dir: /sys/src/ape/lib/9/segflush.c/
#include <lib9.h> extern int _SEGFLUSH(void*, unsigned long); int segflush(void *va, unsigned long len) { return _SEGFLUSH(va, len); }