ref: 82f0a1d2b47c3d1d7cf573a9f5008f95ddf3d092 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); }