/*write sequential formatted external*/
#include "config.h"
#include "f2c.h"
#include "fio.h"
#include "fmt.h"
extern int f__hiwater;

int
x_wSL (void)
{
  int n = f__putbuf ('\n');
  f__hiwater = f__recpos = f__cursor = 0;
  return (n == 0);
}

static int
xw_end (void)
{
  int n;

  if (f__nonl)
    {
      f__putbuf (n = 0);
      fflush (f__cf);
    }
  else
    n = f__putbuf ('\n');
  f__hiwater = f__recpos = f__cursor = 0;
  return n;
}

static int
xw_rev (void)
{
  int n = 0;
  if (f__workdone)
    {
      n = f__putbuf ('\n');
      f__workdone = 0;
    }
  f__hiwater = f__recpos = f__cursor = 0;
  return n;
}

integer
s_wsfe (cilist * a)		/*start */
{
  int n;
  if (f__init != 1)
    f_init ();
  f__init = 3;
  f__reading = 0;
  f__sequential = 1;
  f__formatted = 1;
  f__external = 1;
  if ((n = c_sfe (a)))
    return (n);
  f__elist = a;
  f__hiwater = f__cursor = f__recpos = 0;
  f__nonl = 0;
  f__scale = 0;
  f__fmtbuf = a->cifmt;
  f__curunit = &f__units[a->ciunit];
  f__cf = f__curunit->ufd;
  if (pars_f (f__fmtbuf) < 0)
    err (a->cierr, 100, "startio");
  f__putn = x_putc;
  f__doed = w_ed;
  f__doned = w_ned;
  f__doend = xw_end;
  f__dorevert = xw_rev;
  f__donewrec = x_wSL;
  fmt_bg ();
  f__cplus = 0;
  f__cblank = f__curunit->ublnk;
  if (f__curunit->uwrt != 1 && f__nowwriting (f__curunit))
    err (a->cierr, errno, "write start");
  return (0);
}