//====================================================== file = sleep.c =====
//=  Program to "sleep" for N seconds                                       =
//===========================================================================
//=  Notes:                                                                 =
//=    1) Command line input is number of seconds (real number) to delay    =
//=       with resolution to milliseconds.                                  =
//=-------------------------------------------------------------------------=
//=  Build: bcc32 sleep.c or gcc sleep.c                                    =
//=-------------------------------------------------------------------------=
//=  Execute: sleep number_of_seconds                                       =
//=-------------------------------------------------------------------------=
//=  Author: Ken Christensen                                                =
//=          University of South Florida                                    =
//=          WWW: http://www.csee.usf.edu/~christen                         =
//=          Email: christen@csee.usf.edu                                   =
//=-------------------------------------------------------------------------=
//=  History: KJC (04/26/99) - Genesis                                      =
//=           KJC (12/27/06) - Added BSF support                            =
//===========================================================================
#define  WIN                 // WIN for Winsock and BSD for BSD Unix

//----- Include files -------------------------------------------------------
#include <stdio.h>           // Needed for printf()
#include <stdlib.h>          // Needed for atoi()
#ifdef WIN
#include <windows.h>         // Needed for Windows Sleep()
#endif

//===========================================================================
//=  Main program                                                           =
//===========================================================================
int main(int argc, char *argv[])
{
  int    sleep_time;         // Number of seconds to sleep

  // Check for sufficient command line arguments
  if (argc != 2)
  {
    printf("*** ERROR - incorrect number of command line arguments \n");
    printf("            usage is 'sleep number_of_seconds'         \n");
    exit(1);
  }

  // Get sleep_time from command line arguments
  sleep_time = atoi(argv[1]);

  // Sleep for sleep_time seconds
#ifdef WIN
	Sleep(sleep_time * 1000);
#endif
#ifdef BSD
	sleep(sleep_time);
#endif

  return(0);
}