/* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* $Id$ */ #include "system.h" #include char * sys_break(incr) int incr; { register char *brk = sbrk(incr); if (brk == (char *) 0 || brk == (char *)-1) return ILL_BREAK; return brk; }