[unix-history] / usr / src / usr.bin / f77 / libU77 / getarg_.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)getarg_.c	5.1	%G%
 */

/*
 * return a specified command line argument
 *
 * calling sequence:
 *	character*20 arg
 *	call getarg(k, arg)
 * where:
 *	arg will receive the kth unix command argument
*/

getarg_(n, s, ls)
long int *n;
register char *s;
long int ls;
{
extern int xargc;
extern char **xargv;
register char *t;
register int i;

if(*n>=0 && *n<xargc)
	t = xargv[*n];
else
	t = "";
for(i = 0; i<ls && *t!='\0' ; ++i)
	*s++ = *t++;
for( ; i<ls ; ++i)
	*s++ = ' ';
}
Commit	Line	Data
840ed54d	1	/*
161423a6 RE	2	* Copyright (c) 1980 Regents of the University of California.
	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
840ed54d	5	*
161423a6 RE	6	* @(#)getarg_.c 5.1 %G%
	7	*/
	8
	9	/*
840ed54d DW	10	* return a specified command line argument
	11	*
	12	* calling sequence:
	13	* character*20 arg
	14	* call getarg(k, arg)
	15	* where:
	16	* arg will receive the kth unix command argument
	17	*/
	18
	19	getarg_(n, s, ls)
	20	long int *n;
	21	register char *s;
	22	long int ls;
	23	{
	24	extern int xargc;
	25	extern char **xargv;
	26	register char *t;
	27	register int i;
	28
	29	if(n>=0 && n<xargc)
	30	t = xargv[*n];
	31	else
	32	t = "";
	33	for(i = 0; i<ls && *t!='\0' ; ++i)
	34	s++ = t++;
	35	for( ; i<ls ; ++i)
	36	*s++ = ' ';
	37	}