1 #include "substdio.h"
2 
substdio_fdbuf(s,op,fd,buf,len)3 void substdio_fdbuf(s,op,fd,buf,len)
4 register substdio *s;
5 register int (*op)();
6 register int fd;
7 register char *buf;
8 register int len;
9 {
10   s->x = buf;
11   s->fd = fd;
12   s->op = op;
13   s->p = 0;
14   s->n = len;
15 }
16