ref: 78e2f69c0d7e4c17227e1ec0545cbb2a0ae1e96e 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); }