sleep.c

来自「At can be given its arguments in a file.」· C语言 代码 · 共 71 行

/*
* SLEEP.C - Sleep a specified number of seconds.
*
* PROGRAMMER:	    Martti Ylikoski
* CREATED:	    6.12.1990
*/
static char *VERSION = "Version 1.1. Copyright (c) Martti Ylikoski, 1990, 1991." ;
/*
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <param.h>
#include <paramstd.h>
#define INCL_DOS
#include <os2.h>


static char *progname, *fname	;

extern unsigned long pflags ;

ParamEntry pentry[12] = {
     "P", &ParamSetPause, 0,
     "F", &ParamSetFold, 0,
     "V", &ParamSetVerbose, 0,
     "R", &ParamSetReport, 0,
     "S", &ParamSetSubDirs, 0,
     "?", &ParamSetHelp, 1,
     "H", &ParamSetHelp, 1,
     "NOD", &ParamSetNoDefault, 0,
     "TEST", &ParamSetTest, 0,
     "Y", &ParamSetYes, 0,
     "N", &ParamSetTest, 0,
     "\0", NULL, 0
} ;

ParamBlock params = {
    "/-",   IGNORECASE | NOPRIORITY | NOTRIGGERSALLOWED ,
    pentry
} ;

int main(int argc, char *argv[])
{
int secs ;

   progname = argv[0] ;

   ParamHandle(&params, &argc, argv) ;

   if (pflags & PA_HELP)
   {
      printf("%s - sleep a specified number of seconds.\n", progname) ;
      puts(VERSION) ;
      puts("Usage: sleep [/H | /?] [seconds]") ;
      return( 1 ) ;
   }

   if (argc == 2)
      secs = atoi( argv[1] );
   else
   {
      fprintf(stderr, "SLEEP: stdin assumed\n") ;
      scanf("%d", &secs) ;
   }

   DosSleep( (ULONG) secs*1000 ) ;
   return( 0 ) ;
}