/* consider this code LGPL - davidm */#include <unistd.h>#include <sys/syscall.h>#include <errno.h>/* This must be initialized data because commons can't have aliases.  */void * __curbrk = 0;int brk (void *addr){    void *newbrk;	__asm__ volatile ("movel %2,%/d1\n\t"			  "moveq %1,%/d0\n\t"			  "trap  #0\n\t"			  "movel %/d0,%0"		:"=g" (newbrk)		:"i" (__NR_brk),"g" (addr) : "%d0", "%d1");    __curbrk = newbrk;    if (newbrk < addr)    {	__set_errno (ENOMEM);	return -1;    }    return 0;}