Research V7 release

[unix-history] / usr / src / libF77 / getarg_.c

/*
* subroutine getarg(k, c)
* returns the kth unix command argument in fortran character
* variable argument c
*/

getarg_(n, s, ls)
long int *n;
char *s;
long int ls;
{
extern int xargc;
extern char **xargv;
char *t;
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++ = ' ';
}