198 static u_int hexdigit(netdissect_options *ndo, char hex)  in hexdigit()  argument
200 	if (hex >= '0' && hex <= '9')  in hexdigit()
201 		return (hex - '0');  in hexdigit()
202 	else if (hex >= 'A' && hex <= 'F')  in hexdigit()
203 		return (hex - 'A' + 10);  in hexdigit()
204 	else if (hex >= 'a' && hex <= 'f')  in hexdigit()
205 		return (hex - 'a' + 10);  in hexdigit()
207 		(*ndo->ndo_error)(ndo, "invalid hex digit %c in espsecret\n", hex);  in hexdigit()
226 			char *hex)  in espprint_decode_hex()  argument
231 	len = strlen(hex) / 2;  in espprint_decode_hex()
239 	while (hex[0] != '\0' && hex[1]!='\0') {  in espprint_decode_hex()
240 		binbuf[i] = hex2byte(ndo, hex);  in espprint_decode_hex()
241 		hex += 2;  in espprint_decode_hex()