| 12345678910111213141516171819202122 | /* From libc-5.3.12 */#include <errno.h>#include <unistd.h>#include <sys/syscall.h>extern void * __curbrk;extern int __init_brk (void);extern void *_brk(void *ptr);int brk(void * end_data_seg){    if (__init_brk () == 0)    {		__curbrk = _brk(end_data_seg);		if (__curbrk == end_data_seg)			return 0;		__set_errno(ENOMEM);    }    return -1;}
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