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.
a UTF-8 string describing the error code. If the error code is unknown, it returns "unknown error (<code>)". The string can only be used until the next call to g_strerror()
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.