19     va_list args;  in Warning()  local
23     va_start(args, fmt);  in Warning()
24     vfprintf(stderr, fmt, args);  in Warning()
25     va_end(args);  in Warning()
33     va_list args;  in Error()  local
37     va_start(args, fmt);  in Error()
38     vfprintf(stderr, fmt, args);  in Error()
39     va_end(args);  in Error()
49     va_list args;  in Perror()  local
55     va_start(args, fmt);  in Perror()
56     vfprintf(stderr, fmt, args);  in Perror()
57     va_end(args);  in Perror()