Returns a string corresponding to the given error code, e.g. "no such process". You should use this function in preference to strerror(), because it returns a string in UTF-8 encoding, and since not all platforms support the strerror() function.
the system error number. See the standard C errno documentation
a UTF-8 string describing the error code. If the error code is unknown, it returns "unknown error (<code>)".
See Implementation
Returns a string corresponding to the given error code, e.g. "no such process". You should use this function in preference to strerror(), because it returns a string in UTF-8 encoding, and since not all platforms support the strerror() function.