BSD 4_1c_2 release

[unix-history] / usr / src / usr.lib / libF77 / 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
*/

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++ = ' ';
}