2 struct tftphdr *r_init(void);
3 struct tftphdr *w_init(void);
4 int readit(FILE *file, struct tftphdr **dpp, int convert);
5 int writeit(FILE *file, struct tftphdr **dpp, int ct, int convert);
6 void read_ahead(FILE *file, int convert /* if true, convert to ascii */);
7 int write_behind(FILE *file, int convert);