/* include writable_timeo */
#include "unp.h"
int
writable_timeo(int fd, int sec)
{
fd_set wset;
struct timeval tv;
FD_ZERO(&wset);
FD_SET(fd, &wset);
tv.tv_sec = sec;
tv.tv_usec = 0;
return(select(fd+1, NULL, &wset, NULL, &tv));
/* > 0 if descriptor is writable */
}
/* end writable_timeo */
int
Writable_timeo(int fd, int sec)
{
int n;
if ( (n = writable_timeo(fd, sec)) < 0)
err_sys("writable_timeo error");
return(n);
}