<hppavilion[1]> learn zed is the 26th letter of the alphabet in Commonwealth English. Why they consider what is clearly a 3-letter string to be a single letter is unclear.

#ifndef PARSE_H_
#define PARSE_H_

#include "IO.h"
#include "text.h"

#include <stdio.h>

void parse(IO *, struct text *, size_t *);

#endif /* PARSE_H_ */