Function editorconfig_get_error_msg 

pub unsafe extern "C" fn editorconfig_get_error_msg(
    err_num: c_int,
) -> *const c_char

@brief Get the error message from the error number returned by editorconfig_parse().

An example is available at src/bin/main.c in EditorConfig C Core source code.

@param err_num The error number that is used to obtain the error message.

@return The error message corresponding to err_num.