102     size_t bos = __bos0(buf);  in fread()  local
104     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {  in fread()
107     return __fread_chk(buf, size, count, stream, bos);  in fread()
117     size_t bos = __bos0(buf);  in fwrite()  local
119     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {  in fwrite()
123     return __fwrite_chk(buf, size, count, stream, bos);  in fwrite()
134     size_t bos = __bos(dest);  in fgets()  local
136     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {  in fgets()
140     return __fgets_chk(dest, size, stream, bos);  in fgets()
174     size_t bos = __bos0(buf);  in fread()  local
176     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {  in fread()
186         if (total > bos) {  in fread()
193     return __fread_chk(buf, size, count, stream, bos);  in fread()
198     size_t bos = __bos0(buf);  in fwrite()  local
200     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {  in fwrite()
210         if (total > bos) {  in fwrite()
217     return __fwrite_chk(buf, size, count, stream, bos);  in fwrite()
224     size_t bos = __bos(dest);  in fgets()  local
233     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {  in fgets()
239     if (__builtin_constant_p(size) && (size <= (int) bos)) {  in fgets()
245     if (__builtin_constant_p(size) && (size > (int) bos)) {  in fgets()
249     return __fgets_chk(dest, size, stream, bos);  in fgets()