ref: 4b8f7a2110d80fdad0f09f376dbfd2204e2e8f8e 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); }