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/*
* Callsign conversion functions, converts callsigns into network bit
* shifted format and vica versa.
*/
#ifndef _AXUTILS_H
#define _AXUTILS_H
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* The special "null" address, used as the default callsign in routing and
* in other places.
*/
extern ax25_address null_ax25_address;
/*
* This function converts an ASCII representation of a callsign into network
* format. It returns -1 on error, 0 otherwise.
*/
extern int convert_call_entry(const char *, char *);
/*
* This converts a string with optional digipeaters into a structure understood
* by the kernel code.
*
* The string should be in the format:
*
* callsign [[V | VIA] callsign ...]
*
* On error a -1 is returned, otherwise the length of the structure is returned.
*/
extern int convert_call(char *, struct full_sockaddr_ax25 *);
/*
* Similar to convert_call above except the callsign(s) are not held in a
* string but in a NULL terminated array of pointers to the strings.
* On error a -1 is returned, otherwise the length of the structure is returned.
*/
extern int convert_call_arglist(char ** , struct full_sockaddr_ax25 *);
/*
* This function converts an ASCII representation of a Rose address into
* network format. It returns -1 on error, 0 otherwise. The address must be
* ten numbers long.
*/
extern int convert_rose_address(const char *, char *);
/*
* This function returns the textual representation of a callsign in
* network format. The data returned is in a statically allocated area, and
* subsequent calls will destroy previous callsigns returned.
*/
extern char *ax2asc(ax25_address *);
/*
* This function returns the textual representation of a Rose address in
* network format. The data returned is in a statically allocated area, and
* subsequent calls will destroy previous callsigns returned.
*/
extern char *rose2asc(rose_address *);
/*
* Compares two AX.25 callsigns in network format. Returns a 0 if they are
* identical, 1 if they differ, or 2 if only the SSIDs differ.
*/
extern int ax25cmp(ax25_address *, ax25_address *);
/*
* Compares two Rose addresses in network format. Returns a 0 if they are
* identical, 1 if they differ.
*/
extern int rosecmp(rose_address *, rose_address *);
/*
* Validates an AX.25 callsign, returns TRUE if it is valid, or FALSE if it
* is not. The callsign should be AX.25 shifted format.
*/
extern int ax25validate(char *);
/*
* Converts the giver string to upper case. It returns a pointer to the
* original string.
*/
extern char *strupr(char *);
/*
* Converts the giver string to lower case. It returns a pointer to the
* original string.
*/
extern char *strlwr(char *);
#ifdef __cplusplus
}
#endif
#endif
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