element being the value of that variable. ERRNO If a system error occurs either doing ... getline , or during a close() , then ERRNO is set to a string describing the errorelement being the value of that variable. ERRNO If a system error occurs either doing ... getline , or during a close() , then ERRNO is set to a string describing the errorelement being the value of that variable. ERRNO If a system error occurs either doing ... getline , or during a close() , then ERRNO is set to a string describing the errorfollowing styles: message ... (errno: #) message ... (Errcode: #) You can find out what the error code meansunrecognized capability code >4 system error (4 + errno ) When the -S option is used, somecommands, environment variables, function names, preprocessor macros, errno(2) values, and some other emphasized wordslist are not in alphabetical order. duplicate errno (mdoc, NetBSD ) A Bl list contains