211 void sendline(int c)  in sendline()
221 	char c;  in read_data()  local
270 void xsendline(int c)  in xsendline()
274 int printable(int c)  in printable()
541 	__maybe_unused int c;  in zmodem_rx()  local
895 	int c;  in wcreceive()  local
1096 	register int c;  in wcrxpn()  local
1298 int zmodem_buf_getc(int c)  in zmodem_buf_getc()
1309 	int c;  in do_crc_check()  local
1845 int islower(int c)  in islower()
1851 int isupper(int c)  in isupper()
1857 int tolower(int c)  in tolower()
1982 	register int c, n;  in tryz()  local
2140 	register int c;  in rzfiles()  local
2217 	register int c, n;  in rzfile()  local