50 get_atom_byte(int *ch, struct diff_atom *atom, off_t off)  in get_atom_byte()  argument
54 	if (atom->at != NULL) {  in get_atom_byte()
55 		*ch = atom->at[off];  in get_atom_byte()
59 	cur = ftello(atom->root->f);  in get_atom_byte()
63 	if (cur != atom->pos + off &&  in get_atom_byte()
64 	    fseeko(atom->root->f, atom->pos + off, SEEK_SET) == -1)  in get_atom_byte()
67 	*ch = fgetc(atom->root->f);  in get_atom_byte()
68 	if (*ch == EOF && ferror(atom->root->f))  in get_atom_byte()
81 	struct diff_atom *atom;  in diff_output_lines()  local
104 	foreach_diff_atom(atom, start_atom, count) {  in diff_output_lines()
107 		size_t len = atom->len, wlen;  in diff_output_lines()
119 			rc = get_atom_byte(&ch, atom, len - 1);  in diff_output_lines()
127 			rc = get_atom_byte(&ch, atom, i);  in diff_output_lines()
249 	struct diff_atom *atom, *start_atom;  in diff_output_trailing_newline_msg()  local
268 	atom = &start_atom[atom_count - 1];  in diff_output_trailing_newline_msg()
270 	rc = get_atom_byte(&ch, atom, atom->len - 1);  in diff_output_trailing_newline_msg()
312 	struct diff_atom *start_atom, *atom;  in diff_output_match_function_prototype()  local
324 	diff_data_foreach_atom_backwards_from(start_atom, atom, data) {  in diff_output_match_function_prototype()
325 		int atom_idx = diff_atom_root_idx(data, atom);  in diff_output_match_function_prototype()
328 		rc = get_atom_byte(&ch, atom, 0);  in diff_output_match_function_prototype()
334 		for (i = 1; i < atom->len && i < sizeof(buf) - 1; i++) {  in diff_output_match_function_prototype()
335 			rc = get_atom_byte(&ch, atom, i);  in diff_output_match_function_prototype()