set_charset
if (set_charset(&iov, &iovlen, optarg) == -1)
static int set_charset(struct iovec **, int *iovlen, const char *);
if (set_charset(&iov, &iovlen, cs_local, cs_dos) == -1)
if (set_charset(&iov, &iovlen, "ISO8859-1", cs_dos) == -1)
static int set_charset(struct iovec **iov, int *iovlen, const char *, const char *);
int set_charset(char **, char **, const char *);
if (set_charset(&cs_disk, &cs_local, optarg) == -1)