ref: d8bcd6c8e4a31a407aebcc3e60cdf3630b0b3c5f 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); }