125     pub unsafe fn si_status(&self) -> c_int {  in si_status()
1114     pub fn isalnum(c: c_int) -> c_int;  in isalnum()
1115     pub fn isalpha(c: c_int) -> c_int;  in isalpha()
1116     pub fn iscntrl(c: c_int) -> c_int;  in iscntrl()
1117     pub fn isdigit(c: c_int) -> c_int;  in isdigit()
1118     pub fn isgraph(c: c_int) -> c_int;  in isgraph()
1119     pub fn islower(c: c_int) -> c_int;  in islower()
1120     pub fn isprint(c: c_int) -> c_int;  in isprint()
1121     pub fn ispunct(c: c_int) -> c_int;  in ispunct()
1122     pub fn isspace(c: c_int) -> c_int;  in isspace()
1123     pub fn isupper(c: c_int) -> c_int;  in isupper()
1124     pub fn isxdigit(c: c_int) -> c_int;  in isxdigit()
1125     pub fn isblank(c: c_int) -> c_int;  in isblank()
1126     pub fn tolower(c: c_int) -> c_int;  in tolower()
1127     pub fn toupper(c: c_int) -> c_int;  in toupper()
1130     pub fn fflush(file: *mut FILE) -> c_int;  in fflush()
1131     pub fn fclose(file: *mut FILE) -> c_int;  in fclose()
1132     pub fn remove(filename: *const c_char) -> c_int;  in remove()
1133     pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;  in rename()
1135     pub fn setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t) -> c_int;  in setvbuf()
1138     pub fn putchar(c: c_int) -> c_int;  in putchar()
1139     pub fn fgetc(stream: *mut FILE) -> c_int;  in fgetc()
1140     pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;  in fgets()
1141     pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;  in fputc()
1142     pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;  in fputs()
1143     pub fn puts(s: *const c_char) -> c_int;  in puts()
1144     pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;  in ungetc()
1147     pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;  in fseek()
1150     pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int;  in fgetpos()
1151     pub fn fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int;  in fsetpos()
1152     pub fn feof(stream: *mut FILE) -> c_int;  in feof()
1153     pub fn ferror(stream: *mut FILE) -> c_int;  in ferror()
1156     pub fn atoi(s: *const c_char) -> c_int;  in atoi()
1170     pub fn exit(status: c_int) -> !;  in exit()
1171     pub fn atexit(cb: extern "C" fn()) -> c_int;  in atexit()
1172     pub fn system(s: *const c_char) -> c_int;  in system()
1179     pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;  in strcmp()
1180     pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;  in strncmp()
1181     pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;  in strcoll()
1189     pub fn strcasecmp(s1: *const c_char, s2: *const c_char) -> c_int;  in strcasecmp()
1190     pub fn strncasecmp(s1: *const c_char, s2: *const c_char, n: size_t) -> c_int;  in strncasecmp()
1198     pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;  in memchr()
1200     pub fn memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int;  in memcmp()
1203     pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;  in memset()
1207     pub fn fprintf(stream: *mut crate::FILE, format: *const c_char, ...) -> c_int;  in fprintf()
1208     pub fn printf(format: *const c_char, ...) -> c_int;  in printf()
1209     pub fn snprintf(s: *mut c_char, n: size_t, format: *const c_char, ...) -> c_int;  in snprintf()
1210     pub fn sprintf(s: *mut c_char, format: *const c_char, ...) -> c_int;  in sprintf()
1211     pub fn fscanf(stream: *mut crate::FILE, format: *const c_char, ...) -> c_int;  in fscanf()
1212     pub fn scanf(format: *const c_char, ...) -> c_int;  in scanf()
1213     pub fn sscanf(s: *const c_char, format: *const c_char, ...) -> c_int;  in sscanf()
1215     pub fn putchar_unlocked(c: c_int) -> c_int;  in putchar_unlocked()
1216     pub fn stat(path: *const c_char, buf: *mut stat) -> c_int;  in stat()
1217     pub fn fdopen(fd: c_int, mode: *const c_char) -> *mut crate::FILE;  in fdopen()
1218     pub fn fileno(stream: *mut crate::FILE) -> c_int;  in fileno()
1219     pub fn creat(path: *const c_char, mode: mode_t) -> c_int;  in creat()
1221     pub fn fchown(fd: c_int, owner: crate::uid_t, group: crate::gid_t) -> c_int;  in fchown()
1222     pub fn access(path: *const c_char, amode: c_int) -> c_int;  in access()
1224     pub fn fchdir(dirfd: c_int) -> c_int;  in fchdir()
1225     pub fn chown(path: *const c_char, uid: uid_t, gid: gid_t) -> c_int;  in chown()
1226     pub fn fpathconf(filedes: c_int, name: c_int) -> c_long;  in fpathconf()
1229     pub fn getgroups(ngroups_max: c_int, groups: *mut gid_t) -> c_int;  in getgroups()
1231     pub fn getopt(argc: c_int, argv: *const *mut c_char, optstr: *const c_char) -> c_int;  in getopt()
1234     pub fn seteuid(uid: uid_t) -> c_int;  in seteuid()
1235     pub fn setegid(gid: gid_t) -> c_int;  in setegid()
1240     pub fn mlock(addr: *const c_void, len: size_t) -> c_int;  in mlock()
1241     pub fn mlockall(flags: c_int) -> c_int;  in mlockall()
1242     pub fn munlock(addr: *const c_void, len: size_t) -> c_int;  in munlock()
1248         prot: c_int,  in mmap()
1249         flags: c_int,  in mmap()
1250         fd: c_int,  in mmap()
1253     pub fn munmap(addr: *mut c_void, len: size_t) -> c_int;  in munmap()
1255     pub fn mprotect(addr: *mut c_void, len: size_t, prot: c_int) -> c_int;  in mprotect()
1256     pub fn msync(addr: *mut c_void, len: size_t, flags: c_int) -> c_int;  in msync()
1258     pub fn truncate(path: *const c_char, length: off_t) -> c_int;  in truncate()
1259     pub fn shm_open(name: *const c_char, oflag: c_int, mode: mode_t) -> c_int;  in shm_open()
1260     pub fn shm_unlink(name: *const c_char) -> c_int;  in shm_unlink()
1262     pub fn gettimeofday(tp: *mut crate::timeval, tz: *mut c_void) -> c_int;  in gettimeofday()
1264     pub fn pthread_attr_setdetachstate(attr: *mut crate::pthread_attr_t, state: c_int) -> c_int;  in pthread_attr_setdetachstate()
1266     pub fn strerror_r(errnum: c_int, buf: *mut c_char, buflen: size_t) -> c_int;  in strerror_r()
1268     pub fn sigaddset(set: *mut sigset_t, signum: c_int) -> c_int;  in sigaddset()
1270     pub fn sigaction(signum: c_int, act: *const sigaction, oldact: *mut sigaction) -> c_int;  in sigaction()
1272     pub fn utimes(filename: *const c_char, times: *const crate::timeval) -> c_int;  in utimes()
1274     pub fn futimens(fd: c_int, times: *const crate::timespec) -> c_int;  in futimens()
1286     pub fn dlclose(handle: *mut c_void) -> c_int;  in dlclose()
1289     pub fn dladdr(addr: *mut c_void, info: *mut Dl_info) -> c_int;  in dladdr()
1300     pub fn gethostname(name: *mut c_char, len: size_t) -> c_int;  in gethostname()
1301     pub fn usleep(secs: crate::useconds_t) -> c_int;  in usleep()
1302     pub fn putenv(string: *mut c_char) -> c_int;  in putenv()
1303     pub fn setlocale(category: c_int, locale: *const c_char) -> *mut c_char;  in setlocale()
1305     pub fn sigprocmask(how: c_int, set: *const sigset_t, oldset: *mut sigset_t) -> c_int;  in sigprocmask()
1306     pub fn sigpending(set: *mut sigset_t) -> c_int;  in sigpending()
1308     pub fn mkfifo(path: *const c_char, mode: mode_t) -> c_int;  in mkfifo()
1310     pub fn fseeko(stream: *mut crate::FILE, offset: off_t, whence: c_int) -> c_int;  in fseeko()
1312     pub fn mkstemp(template: *mut c_char) -> c_int;  in mkstemp()
1316     pub fn openlog(ident: *const c_char, logopt: c_int, facility: c_int);  in openlog()
1318     pub fn setlogmask(maskpri: c_int) -> c_int;  in setlogmask()
1319     pub fn syslog(priority: c_int, message: *const c_char, ...);  in syslog()
1332     pub fn chdir(attr: *const c_char) -> c_int;  in chdir()
1335     pub fn pthread_mutexattr_init(attr: *mut pthread_mutexattr_t) -> c_int;  in pthread_mutexattr_init()
1338     pub fn pthread_mutexattr_destroy(attr: *mut pthread_mutexattr_t) -> c_int;  in pthread_mutexattr_destroy()
1342         -> c_int;  in pthread_mutexattr_settype()
1348     ) -> c_int;  in pthread_mutex_init()
1351     pub fn pthread_mutex_destroy(mutex: *mut pthread_mutex_t) -> c_int;  in pthread_mutex_destroy()
1354     pub fn pthread_mutex_lock(mutex: *mut pthread_mutex_t) -> c_int;  in pthread_mutex_lock()
1357     pub fn pthread_mutex_trylock(mutex: *mut pthread_mutex_t) -> c_int;  in pthread_mutex_trylock()
1360     pub fn pthread_mutex_timedlock(attr: *mut pthread_mutex_t, spec: *const timespec) -> c_int;  in pthread_mutex_timedlock()
1363     pub fn pthread_mutex_unlock(mutex: *mut pthread_mutex_t) -> c_int;  in pthread_mutex_unlock()
1366     pub fn pthread_attr_setname(pAttr: *mut crate::pthread_attr_t, name: *mut c_char) -> c_int;  in pthread_attr_setname()
1369     pub fn pthread_attr_setstacksize(attr: *mut crate::pthread_attr_t, stacksize: size_t) -> c_int;  in pthread_attr_setstacksize()
1375     ) -> c_int;  in pthread_attr_getstacksize()
1378     pub fn pthread_attr_init(attr: *mut crate::pthread_attr_t) -> c_int;  in pthread_attr_init()
1386     ) -> c_int;  in pthread_create()
1391         policy: c_int,  in pthread_setschedparam()
1393     ) -> c_int;  in pthread_setschedparam()
1398         policy: *mut c_int,  in pthread_getschedparam()
1400     ) -> c_int;  in pthread_getschedparam()
1405         inheritsched: c_int,  in pthread_attr_setinheritsched()
1406     ) -> c_int;  in pthread_attr_setinheritsched()
1409     pub fn pthread_attr_setschedpolicy(attr: *mut crate::pthread_attr_t, policy: c_int) -> c_int;  in pthread_attr_setschedpolicy()
1412     pub fn pthread_attr_destroy(thread: *mut crate::pthread_attr_t) -> c_int;  in pthread_attr_destroy()
1415     pub fn pthread_detach(thread: crate::pthread_t) -> c_int;  in pthread_detach()
1422     ) -> c_int;  in pthread_atfork()
1425     pub fn fstat(fildes: c_int, buf: *mut stat) -> c_int;  in fstat()
1428     pub fn lstat(path: *const c_char, buf: *mut stat) -> c_int;  in lstat()
1431     pub fn ftruncate(fd: c_int, length: off_t) -> c_int;  in ftruncate()
1438     ) -> c_int;  in readdir_r()
1445     pub fn open(path: *const c_char, oflag: c_int, ...) -> c_int;  in open()
1448     pub fn poll(fds: *mut pollfd, nfds: nfds_t, timeout: c_int) -> c_int;  in poll()
1451     pub fn pthread_condattr_init(attr: *mut crate::pthread_condattr_t) -> c_int;  in pthread_condattr_init()
1454     pub fn pthread_condattr_destroy(attr: *mut crate::pthread_condattr_t) -> c_int;  in pthread_condattr_destroy()
1460     ) -> c_int;  in pthread_condattr_getclock()
1466     ) -> c_int;  in pthread_condattr_setclock()
1472     ) -> c_int;  in pthread_cond_init()
1475     pub fn pthread_cond_destroy(cond: *mut pthread_cond_t) -> c_int;  in pthread_cond_destroy()
1478     pub fn pthread_cond_signal(cond: *mut crate::pthread_cond_t) -> c_int;  in pthread_cond_signal()
1481     pub fn pthread_cond_broadcast(cond: *mut crate::pthread_cond_t) -> c_int;  in pthread_cond_broadcast()
1487     ) -> c_int;  in pthread_cond_wait()
1490     pub fn pthread_rwlockattr_init(attr: *mut crate::pthread_rwlockattr_t) -> c_int;  in pthread_rwlockattr_init()
1493     pub fn pthread_rwlockattr_destroy(attr: *mut crate::pthread_rwlockattr_t) -> c_int;  in pthread_rwlockattr_destroy()
1499     ) -> c_int;  in pthread_rwlockattr_setmaxreaders()
1505     ) -> c_int;  in pthread_rwlock_init()
1508     pub fn pthread_rwlock_destroy(attr: *mut crate::pthread_rwlock_t) -> c_int;  in pthread_rwlock_destroy()
1511     pub fn pthread_rwlock_rdlock(attr: *mut crate::pthread_rwlock_t) -> c_int;  in pthread_rwlock_rdlock()
1514     pub fn pthread_rwlock_tryrdlock(attr: *mut crate::pthread_rwlock_t) -> c_int;  in pthread_rwlock_tryrdlock()
1520     ) -> c_int;  in pthread_rwlock_timedrdlock()
1523     pub fn pthread_rwlock_wrlock(attr: *mut crate::pthread_rwlock_t) -> c_int;  in pthread_rwlock_wrlock()
1526     pub fn pthread_rwlock_trywrlock(attr: *mut crate::pthread_rwlock_t) -> c_int;  in pthread_rwlock_trywrlock()
1532     ) -> c_int;  in pthread_rwlock_timedwrlock()
1535     pub fn pthread_rwlock_unlock(attr: *mut crate::pthread_rwlock_t) -> c_int;  in pthread_rwlock_unlock()
1541     ) -> c_int;  in pthread_key_create()
1544     pub fn pthread_key_delete(key: crate::pthread_key_t) -> c_int;  in pthread_key_delete()
1547     pub fn pthread_setspecific(key: crate::pthread_key_t, value: *const c_void) -> c_int;  in pthread_setspecific()
1557     ) -> c_int;  in pthread_cond_timedwait()
1560     pub fn pthread_attr_getname(attr: *mut crate::pthread_attr_t, name: *mut *mut c_char) -> c_int;  in pthread_attr_getname()
1563     pub fn pthread_join(thread: crate::pthread_t, status: *mut *mut c_void) -> c_int;  in pthread_join()
1569     pub fn clock_gettime(clock_id: crate::clockid_t, tp: *mut crate::timespec) -> c_int;  in clock_gettime()
1572     pub fn clock_settime(clock_id: crate::clockid_t, tp: *const crate::timespec) -> c_int;  in clock_settime()
1575     pub fn clock_getres(clock_id: crate::clockid_t, res: *mut crate::timespec) -> c_int;  in clock_getres()
1580         flags: c_int,  in clock_nanosleep()
1583     ) -> c_int;  in clock_nanosleep()
1586     pub fn nanosleep(rqtp: *const crate::timespec, rmtp: *mut crate::timespec) -> c_int;  in nanosleep()
1589     pub fn accept(s: c_int, addr: *mut crate::sockaddr, addrlen: *mut crate::socklen_t) -> c_int;  in accept()
1592     pub fn bind(fd: c_int, addr: *const sockaddr, len: socklen_t) -> c_int;  in bind()
1595     pub fn connect(s: c_int, name: *const crate::sockaddr, namelen: crate::socklen_t) -> c_int;  in connect()
1599         s: c_int,  in getpeername()
1602     ) -> c_int;  in getpeername()
1605     pub fn getsockname(socket: c_int, address: *mut sockaddr, address_len: *mut socklen_t)  in getsockname()
1610         sockfd: c_int,  in getsockopt()
1611         level: c_int,  in getsockopt()
1612         optname: c_int,  in getsockopt()
1615     ) -> c_int;  in getsockopt()
1618     pub fn listen(socket: c_int, backlog: c_int) -> c_int;  in listen()
1621     pub fn recv(s: c_int, buf: *mut c_void, bufLen: size_t, flags: c_int) -> ssize_t;  in recv()
1625         s: c_int,  in recvfrom()
1628         flags: c_int,  in recvfrom()
1633     pub fn recvmsg(socket: c_int, mp: *mut crate::msghdr, flags: c_int) -> ssize_t;  in recvmsg()
1636     pub fn send(socket: c_int, buf: *const c_void, len: size_t, flags: c_int) -> ssize_t;  in send()
1638     pub fn sendmsg(socket: c_int, mp: *const crate::msghdr, flags: c_int) -> ssize_t;  in sendmsg()
1642         socket: c_int,  in sendto()
1645         flags: c_int,  in sendto()
1652         socket: c_int,  in setsockopt()
1653         level: c_int,  in setsockopt()
1654         name: c_int,  in setsockopt()
1657     ) -> c_int;  in setsockopt()
1660     pub fn shutdown(s: c_int, how: c_int) -> c_int;  in shutdown()
1663     pub fn socket(domain: c_int, _type: c_int, protocol: c_int) -> c_int;  in socket()
1666     pub fn ioctl(fd: c_int, request: c_int, ...) -> c_int;  in ioctl()
1669     pub fn fcntl(fd: c_int, cmd: c_int, ...) -> c_int;  in fcntl()
1677     pub fn close(fd: c_int) -> c_int;  in close()
1681     pub fn read(fd: c_int, buf: *mut c_void, count: size_t) -> ssize_t;  in read()
1685     pub fn write(fd: c_int, buf: *const c_void, count: size_t) -> ssize_t;  in write()
1689     pub fn isatty(fd: c_int) -> c_int;  in isatty()
1693     pub fn dup(src: c_int) -> c_int;  in dup()
1697     pub fn dup2(src: c_int, dst: c_int) -> c_int;  in dup2()
1701     pub fn pipe(fds: *mut c_int) -> c_int;  in pipe()
1705     pub fn unlink(pathname: *const c_char) -> c_int;  in unlink()
1709     pub fn lseek(fd: c_int, offset: off_t, whence: c_int) -> off_t;  in lseek()
1717     ) -> c_int;  in getaddrinfo()
1723     pub fn signal(signum: c_int, handler: sighandler_t) -> sighandler_t;  in signal()
1732     pub fn waitpid(pid: pid_t, status: *mut c_int, options: c_int) -> pid_t;  in waitpid()
1742         overwrite: c_int,  in setenv()
1743     ) -> c_int;  in setenv()
1749     ) -> c_int;  in unsetenv()
1755     pub fn link(src: *const c_char, dst: *const c_char) -> c_int;  in link()
1761     pub fn symlink(path1: *const c_char, path2: *const c_char) -> c_int;  in symlink()
1767     pub fn rmdir(path: *const c_char) -> c_int;  in rmdir()
1770     pub fn mkdir(dirName: *const c_char, mode: mode_t) -> c_int;  in mkdir()
1773     pub fn chmod(path: *const c_char, mode: mode_t) -> c_int;  in chmod()
1776     pub fn fchmod(attr1: c_int, attr2: mode_t) -> c_int;  in fchmod()
1779     pub fn fsync(fd: c_int) -> c_int;  in fsync()
1782     pub fn closedir(ptr: *mut crate::DIR) -> c_int;  in closedir()
1785     pub fn sched_get_priority_max(policy: c_int) -> c_int;  in sched_get_priority_max()
1788     pub fn sched_get_priority_min(policy: c_int) -> c_int;  in sched_get_priority_min()
1791     pub fn sched_setparam(pid: crate::pid_t, param: *const crate::sched_param) -> c_int;  in sched_setparam()
1794     pub fn sched_getparam(pid: crate::pid_t, param: *mut crate::sched_param) -> c_int;  in sched_getparam()
1799         policy: c_int,  in sched_setscheduler()
1801     ) -> c_int;  in sched_setscheduler()
1804     pub fn sched_getscheduler(pid: crate::pid_t) -> c_int;  in sched_getscheduler()
1807     pub fn sched_rr_get_interval(pid: crate::pid_t, tp: *mut crate::timespec) -> c_int;  in sched_rr_get_interval()
1813     pub fn errnoSet(err: c_int) -> c_int;  in errnoSet()
1819     pub fn _exit(status: c_int) -> !;  in _exit()
1822     pub fn setgid(gid: crate::gid_t) -> c_int;  in setgid()
1828     pub fn setuid(uid: crate::uid_t) -> c_int;  in setuid()
1834     pub fn sigemptyset(__set: *mut sigset_t) -> c_int;  in sigemptyset()
1838     pub fn pthread_sigmask(__how: c_int, __set: *const sigset_t, __oset: *mut sigset_t) -> c_int;  in pthread_sigmask()
1841     pub fn kill(__pid: pid_t, __signo: c_int) -> c_int;  in kill()
1844     pub fn sigqueue(__pid: pid_t, __signo: c_int, __value: crate::sigval) -> c_int;  in sigqueue()
1849         signo: c_int,  in _sigqueue()
1851         sigCode: c_int,  in _sigqueue()
1852     ) -> c_int;  in _sigqueue()
1855     pub fn taskKill(taskId: crate::TASK_ID, signo: c_int) -> c_int;  in taskKill()
1858     pub fn raise(__signo: c_int) -> c_int;  in raise()
1862     pub fn taskDelay(ticks: crate::_Vx_ticks_t) -> c_int;  in taskDelay()
1865     pub fn taskNameSet(task_id: crate::TASK_ID, task_name: *mut c_char) -> c_int;  in taskNameSet()
1866     pub fn taskNameGet(task_id: crate::TASK_ID, buf_name: *mut c_char, bufsize: size_t) -> c_int;  in taskNameGet()
1869     pub fn rtpInfoGet(rtpId: crate::RTP_ID, rtpStruct: *mut crate::RTP_DESC) -> c_int;  in rtpInfoGet()
1874         priority: c_int,  in rtpSpawn()
1876         options: c_int,  in rtpSpawn()
1877         taskOptions: c_int,  in rtpSpawn()
1886     pub fn writev(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;  in writev()
1887     pub fn readv(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;  in readv()
1890     pub fn randBytes(buf: *mut c_uchar, length: c_int) -> c_int;  in randBytes()
1891     pub fn randABytes(buf: *mut c_uchar, length: c_int) -> c_int;  in randABytes()
1892     pub fn randUBytes(buf: *mut c_uchar, length: c_int) -> c_int;  in randUBytes()
1896     pub fn mq_open(name: *const c_char, oflag: c_int, ...) -> crate::mqd_t;  in mq_open()
1897     pub fn mq_close(mqd: crate::mqd_t) -> c_int;  in mq_close()
1898     pub fn mq_unlink(name: *const c_char) -> c_int;  in mq_unlink()
1917     ) -> c_int;  in mq_send()
1924     ) -> c_int;  in mq_timedsend()
1925     pub fn mq_getattr(mqd: crate::mqd_t, attr: *mut crate::mq_attr) -> c_int;  in mq_getattr()
1930     ) -> c_int;  in mq_setattr()
1961 pub fn pread(_fd: c_int, _buf: *mut c_void, _count: size_t, _offset: off64_t) -> ssize_t {  in pread()
1965 pub fn pwrite(_fd: c_int, _buf: *const c_void, _count: size_t, _offset: off64_t) -> ssize_t {  in pwrite()
1968 pub fn posix_memalign(memptr: *mut *mut c_void, align: size_t, size: size_t) -> c_int {  in posix_memalign()