490     pub fn aligned_alloc(a: size_t, b: size_t) -> *mut c_void;  in aligned_alloc()
491     pub fn calloc(amt: size_t, amt2: size_t) -> *mut c_void;  in calloc()
493     pub fn free(ptr: *mut c_void);  in free()
495     pub fn malloc(amt: size_t) -> *mut c_void;  in malloc()
497     pub fn sbrk(increment: intptr_t) -> *mut c_void;  in sbrk()
499     pub fn read(fd: c_int, ptr: *mut c_void, size: size_t) -> ssize_t;  in read()
500     pub fn realloc(ptr: *mut c_void, amt: size_t) -> *mut c_void;  in realloc()
504     pub fn write(fd: c_int, ptr: *const c_void, size: size_t) -> ssize_t;  in write()
520     pub fn fread(buf: *mut c_void, a: size_t, b: size_t, f: *mut FILE) -> size_t;  in fread()
521     pub fn fwrite(buf: *const c_void, a: size_t, b: size_t, f: *mut FILE) -> size_t;  in fwrite()
536     pub fn posix_memalign(a: *mut *mut c_void, b: size_t, c: size_t) -> c_int;  in posix_memalign()
613     pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;  in memchr()
614     pub fn memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int;  in memcmp()
615     pub fn memcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;  in memcpy()
616     pub fn memmove(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;  in memmove()
617     pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;  in memset()
683     pub fn pread(fd: c_int, buf: *mut c_void, count: size_t, offset: off_t) -> ssize_t;  in pread()
684     pub fn pwrite(fd: c_int, buf: *const c_void, count: size_t, offset: off_t) -> ssize_t;  in pwrite()
704     pub fn send(socket: c_int, buf: *const c_void, len: size_t, flags: c_int) -> ssize_t;  in send()
705     pub fn recv(socket: c_int, buf: *mut c_void, len: size_t, flags: c_int) -> ssize_t;  in recv()
738     pub fn getentropy(buf: *mut c_void, buflen: size_t) -> c_int;  in getentropy()
739     pub fn memrchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;  in memrchr()
852     pub fn arc4random_buf(a: *mut c_void, b: size_t);  in arc4random_buf()