1 /*
2  * on Mac OS X, err is something else,
3  * and assigning to it causes a bus error.
4  * what a crappy linker.
5  */
6 #define err rc_err
7 #define	EOF	(-1)
8 #define	NBUF	512
9 struct io{
10 	int fd;
11 	char *bufp, *ebuf, *strp, buf[NBUF];
12 };
13 io *err;
14 io *openfd(int), *openstr(void), *opencore(char *, int);
15 int emptybuf(io*);
16 void pchr(io*, int);
17 int rchr(io*);
18 void closeio(io*);
19 void flush(io*);
20 int fullbuf(io*, int);
21 void pdec(io*, long);
22 void poct(io*, ulong);
23 void phex(io*, long);
24 void pquo(io*, char*);
25 void pwrd(io*, char*);
26 void pstr(io*, char*);
27 void pcmd(io*, tree*);
28 void pval(io*, word*);
29 void pfnc(io*, thread*);
30 void pfmt(io*, char*, ...);