/*----------------------------------------------------------------------------*/
#ifndef __CMSGLIBH__
#define __CMSGLIBH__
/*----------------------------------------------------------------------------*/
/** <function>_flag return values */
#define FLAG_EXISTS 0
#define FLAG_MISSING -1
#define FLAG_CLEARED 0
#define FLAG_UNTOUCHED -2
#define FLAG_SETUP 0
#define FLAG_SETEXISTS -3
#define FLAG_SETFAILED -4
/*----------------------------------------------------------------------------*/
/** message size limit */
#define MSG_SIZE_MAX 80
/** message write status */
#define MSG_WRITE_SUCCESS 0
#define MSG_WRITE_FAILED -1
/** message read status */
#define MSG_READ_SUCCESS 0
#define MSG_READ_FAILED -1
#define MSG_READ_OVERFLOW -2
/*----------------------------------------------------------------------------*/
int check_flag(char *pname);
int clear_flag(char *pname);
int setup_flag(char *pname);
int write_message(char *pname, char *message);
int read_message(char *pname, char *message, int size);
/*----------------------------------------------------------------------------*/
#endif
/*----------------------------------------------------------------------------*/