minix/lib/ack/libp/ini.c

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/* $Header$ */
/*
* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
*
* This product is part of the Amsterdam Compiler Kit.
*
* Permission to use, sell, duplicate or disclose this software must be
* obtained in writing. Requests for such permissions may be sent to
*
* Dr. Andrew S. Tanenbaum
* Wiskundig Seminarium
* Vrije Universiteit
* Postbox 7161
* 1007 MC Amsterdam
* The Netherlands
*
*/
/* Author: J.W. Stevenson */
#include <pc_file.h>
#include <pc_err.h>
extern (*_sig())();
extern _catch();
#ifndef CPM
extern int _isatty();
#endif
struct file **_extfl;
int _extflc; /* number of external files */
char *_m_lb; /* LB of _m_a_i_n */
struct file *_curfil; /* points to file struct in case of errors */
int _pargc;
char **_pargv;
char ***_penviron;
int _fp_hook = 1; /* This is for Minix, but does not harm others */
_ini(args,c,p,mainlb) char *args,*mainlb; int c; struct file **p; {
struct file *f;
char buf[128];
_pargc= *(int *)args; args += sizeof (int);
_pargv= *(char ***)args;
_sig(_catch);
_extfl = p;
_extflc = c;
if( !c ) return;
_m_lb = mainlb;
if ( (f = _extfl[0]) != (struct file *) 0) {
f->ptr = f->bufadr;
f->flags = MAGIC|TXTBIT;
f->fname = "INPUT";
f->ufd = 0;
f->size = 1;
f->count = 0;
f->buflen = PC_BUFLEN;
}
if ( (f = _extfl[1]) != (struct file *) 0) {
f->ptr = f->bufadr;
f->flags = MAGIC|TXTBIT|WRBIT|EOFBIT|ELNBIT;
f->fname = "OUTPUT";
f->ufd = 1;
f->size = 1;
#ifdef CPM
f->count = 1;
#else
f->count = (_isatty(1) ? 1 : PC_BUFLEN);
#endif
f->buflen = f->count;
}
}