#ifndef ARGV_H
#define ARGV_H

#ifdef ARGV_USE_UNSIGNED_CHAR
#define ARGV_TYPE unsigned char
#else
#define ARGV_TYPE char
#endif

/*!
 * description: turns string into an argc,argv
 * parameters:
 * command - input string
 * command_len - length of input string
 * argc - pointer to count of arguments. can be NULL not to use.
 * argv - pointer to a list of strings
 * line - pointer to everything after the first argument (index into command)
 *        can be NULL not to use.  
 * returns:
 * count of arguments in argv (same as what is stored in argc pointer)
 */
int argv_create(const ARGV_TYPE *command, int command_len, int *argc, ARGV_TYPE ***argv, const ARGV_TYPE **line);

/*!
 * frees an argv list
 */
void argv_free(int argc, ARGV_TYPE **argv);
#endif