/*
 * Copyright (C) Narf Industries <info@narfindustries.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

/**
* Calculate the length of a null-terminated string
* 
* @param str null-teriminated string to determine the length of
* @return The number of characters before the first null byte
*/
unsigned int cgc_strlen(const char *str);

/**
* Set all bytes in buffer to zero
* 
* @param buf The buffer to zeroize
* @param num The number of bytes to set to zero
*
* @return None
*/
void cgc_bzero(char* buf, unsigned int num);

/**
* Convert a hex string of the form '0x00' into a hex value
* 
* @param buf The buffer that holds the hext string
* @return The value of the hex string
*/
unsigned char atox(char* buf);