ref: 3a2f6031ed0753e6b47676f7f8c5ea2a99e13b4b 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); }