ref: 3f5db0b7f757a6ccbfe2d22a8bab67d27dd9235c 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); }