- bool FileFdErrno(const char* Function, const char* Description,...) APT_PRINTF(3) APT_COLD;
- bool FileFdError(const char* Description,...) APT_PRINTF(2) APT_COLD;
+ APT_HIDDEN bool FileFdErrno(const char* Function, const char* Description,...) APT_PRINTF(3) APT_COLD;
+ APT_HIDDEN bool FileFdError(const char* Description,...) APT_PRINTF(2) APT_COLD;