5859390743ceecc3c2b79c05340f77e05dfefe23
galt
  Wed Feb 13 16:50:07 2013 -0800
adding functions to decode hexstring to byte
diff --git src/inc/hex.h src/inc/hex.h
index 8bc2e4e..ba96653 100644
--- src/inc/hex.h
+++ src/inc/hex.h
@@ -1,15 +1,23 @@
 
 #ifndef HEX_H
 #define HEX_H
 
 char nibbleToHex(char n);
 /* convert nibble to hexidecimal character. 0 <= n <= 15. */
 
 void byteToHex(unsigned char n, char *hex);
 /* convert byte to two hexidecimal characters. 0 <= n <= 255. */
 
 char *byteToHexString(unsigned char n);
 /* convert byte to hexidecimal string. 0 <= n <= 255. */
 
+/* Reverse Functions */
+
+char hexToNibble(char n);
+/* convert hexidecimal character to nibble. 0-9a-f. */
+
+unsigned char hexToByte(char *hex);
+/* convert byte to hexidecimal characters. 0 <= n <= 255. */
+
 #endif /* HEX_H */