57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
/* $Header$ */
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/*
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* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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*
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* This product is part of the Amsterdam Compiler Kit.
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*
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* Permission to use, sell, duplicate or disclose this software must be
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* obtained in writing. Requests for such permissions may be sent to
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*
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* Dr. Andrew S. Tanenbaum
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* Wiskundig Seminarium
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* Vrije Universiteit
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* Postbox 7161
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* 1007 MC Amsterdam
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* The Netherlands
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*
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*/
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/* Author: J.W. Stevenson */
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/* function argc:integer; extern; */
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/* function argv(i:integer):string; extern; */
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/* procedure argshift; extern; */
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/* function environ(i:integer):string; extern; */
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extern int _pargc;
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extern char **_pargv;
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extern char ***_penviron;
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int argc() {
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return(_pargc);
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}
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char *argv(i) {
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if (i >= _pargc)
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return(0);
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return(_pargv[i]);
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}
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argshift() {
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if (_pargc > 1) {
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--_pargc;
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_pargv++;
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}
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}
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char *environ(i) {
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char **p; char *q;
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if (p = *_penviron)
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while (q = *p++)
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if (i-- < 0)
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return(q);
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return(0);
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}
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