ref: f5bbb69877c377e1ff5e4a8cf1bfb3fc8e39b85a dir: /sys/src/ape/lib/9/segbrk.c/
#include <lib9.h> extern void* _SEGBRK(void*, void*); void* segbrk(void *saddr, void *addr) { return _SEGBRK(saddr, addr); }