/* common.h - define prototypes for functions in common.c */

void error(char *string);			   /* log msg & crash */
void log(char *string);				   /* log msg to stderr */
void nlog(char format[], int value);		   /* log msg w/ number */
void nnlog(char format[], int value1, int value2); /* log msg w/ 2 numbers */
void slog(char format[], char value[]);		   /* log msg w/ string */
int valid_packet(packet *msgpkt, char progname[]); /* verify packet */