76       ._base = reinterpret_cast<uint8_t*>(__sFext + fd)                     \
157   if (__predict_false(fp->_lb._base != nullptr)) {  in free_fgetln_buffer()
158     free(fp->_lb._base);  in free_fgetln_buffer()
159     fp->_lb._base = nullptr;  in free_fgetln_buffer()
191 	fp->_bf._base = nullptr;	/* no buffer */  in __sfp()
196 	fp->_lb._base = nullptr;	/* no line buffer */  in __sfp()
357   if (fp->_flags & __SMBF) free(fp->_bf._base);  in freopen()
361   fp->_bf._base = nullptr;  in freopen()
421   if (fp->_flags & __SMBF) free(fp->_bf._base);  in __FILE_close()
503   unsigned char* p = fp->_bf._base;  in __sflush()
589     result += fp->_p - fp->_bf._base;  in __ftello64_unlocked()
617   if (fp->_bf._base == nullptr) __smakebuf(fp);  in __fseeko64()
626   fp->_p = fp->_bf._base;  in __fseeko64()
1040   f._bf._base = f._p = reinterpret_cast<unsigned char*>(s);  in vsnprintf()
1112   if (fp->_bf._base == nullptr) __smakebuf(fp);  in fread_unlocked()