112 struct bdesc {  struct
122 static struct bdesc *bufp;	/* buffer descriptors */  argument
123 static struct bdesc **current;	/* output buffer to fill */
177 static void checkpoint(struct bdesc *, int);
257 	    + (((size_t)sizeof (struct bdesc)) * NBUF * ntrec)  in alloctape()
262 	    + (size_t)sizeof (struct bdesc **)  in alloctape()
282 	bufp = (struct bdesc *)(obuf + NBUF*writesize);  in alloctape()
286 	current = (struct bdesc **)&bufp[NBUF*ntrec];  in alloctape()
364 	struct bdesc *bp;  in bufclear()
2021 	struct bdesc *last =  in dowrite()
2023 	struct bdesc *bp = bufp;		/* current buf in tape block */  in dowrite()
2024 	struct bdesc *begin = bufp;		/* first buf of tape block */  in dowrite()
2025 	struct bdesc *end = bufp + (ntrec-1);	/* last buf of tape block */  in dowrite()
2242 checkpoint(struct bdesc *bp, int cmd)  in checkpoint()