ref: 58fe582ca95df1f8474fba6fd8d4a1fa9a6d9b1c dir: /sys/src/ape/lib/9/segbrk.c/
#include <lib9.h> extern int _SEGBRK(void*, void*); int segbrk(void *saddr, void *addr) { return _SEGBRK(saddr, addr); }