hexchar           887 imap-send.c    		hex[2 * i] = hexchar((hash[i] >> 4) & 0xf);
hexchar           888 imap-send.c    		hex[2 * i + 1] = hexchar(hash[i] & 0xf);
hexchar            94 pkt-line.c     #define hex(a) (hexchar[(a) & 15])
hexchar            97 pkt-line.c     	static char hexchar[] = "0123456789abcdef";