ref: 1e8a9ebb0f76b0ebe8eb31d79c44324c1c1ed70f dir: /sys/src/ape/lib/9/segfree.c/
#include <lib9.h> extern int _SEGFREE(void*, unsigned long); int segfree(void *va, unsigned long len) { return _SEGFREE(va, len); }