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/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
*/
#include "ratdef.h"
FINT
GETARG(n, s, maxsiz)
FINT *n;
register RCHAR *s;
FINT *maxsiz;
{
extern int xargc;
extern char **xargv;
register char *t;
register int i;
if(*n>=0 && *n<xargc)
t = xargv[*n];
else if (*n == -1)
return(xargc);
else
return(REOF); /* non-existent argument */
for(i = 0; i<*maxsiz-1 && *t!='\0' ; ++i)
*s++ = *t++;
*s++ = REOS; /* terminate ratfor string with eos */
return(i); /* return length of argument */
}
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