ref: 14cfa56253beb8a2ad8e4700c8c26a6ff6d16ee7 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); }