2.9BSD/usr/src/lib/libU77/getarg_.c
/*
char id_getarg[] = "@(#)getarg_.c 1.1";
*
* return a specified command line argument
*
* calling sequence:
* character*20 arg
* call getarg(k, arg)
* where:
* arg will receive the kth unix command argument
*/
#include "../libI77/fiodefs.h"
getarg_(n, s, ls)
ftnint *n;
register char *s;
ftnlen 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++ = ' ';
}