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Lines Matching defs:df

77 	struct dosfile *df;
79 	df = (struct dosfile *) alloc(sizeof(*df));
80 	if (!df)
83 	df->off = 0;
84 	df->doshandle = dosopen(path);
85 	if (df->doshandle < 0) {
89 		dealloc(df, sizeof(*df));
92 	f->f_fsdata = (void *) df;
99 	struct dosfile *df;
103 	df = (struct dosfile *) f->f_fsdata;
123 			tgot = dosread(df->doshandle, diskbufp, tsize);
140 		got = dosread(df->doshandle, addr, size);
150 	df->off += got;
161 	struct dosfile *df;
162 	df = (struct dosfile *) f->f_fsdata;
164 	dosclose(df->doshandle);
166 	if (df)
167 		dealloc(df, sizeof(*df));
191 	struct dosfile *df;
196 	df = (struct dosfile *) f->f_fsdata;
208 		checkoffs = df->off + offset;
221 	res = dosseek(df->doshandle, offset, doswhence);
229 		       df->off, offset, where, res);
234 	df->off = res;