ref: 2dea7c2f8e55b4de0c79448c3ce03351a8f75e3b 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); }