#include <signal.h>
#include <sys/types.h>
-#include <dirent.h>
#include "para.h"
#include "error.h"
/**
* Return the number of the next pending signal.
*
- * \param rfds Th fd_set containing the signal pipe.
+ * \param rfds The fd_set containing the signal pipe.
*
* \return On success, the number of the received signal is returned. If there
* is no signal currently pending, the function returns zero. On read errors