LOGFILE.C

#include <string.h>
#include <stdio.h>
#include <time.h>
int rh(double r),rm(double r),rs(double r),da(double r),dm(double r);  
															/* s -> h m s muunnokset      */
char ds(double i);										/* deklinaation etumerkki 		*/

FILE *lf;

int openlog()
{
   lf=fopen("rade.log","a");
   if(lf==NULL) printf("** tiedoston RADE.LOG avausvirhe\n");
}

int closelog()
{
   return(fclose(lf));
}

writelog(text)
char *text;
{
   char buffer[100];
   struct tm *timeptr;
   time_t timer;

      time(&timer);
      timeptr=localtime(&timer);
      strftime(buffer,30,"%d%m%y%H%M%S",timeptr);
      fprintf(lf,"%s %s\n",buffer,text);
}

void ctrll()
{
	char buffer[80];
   double ra,de;
   double atz,alt;
   extern double t;                                     /* aika jd:n„ */

   get_coord(&ra,&de);
   atkor(ra,de,t,&atz,&alt);
	sprintf(buffer,"r=%2.2d%2.2d%2.2d d=%c%2.2d%2.2d a=%5.1f k=%5.1f",
		rh(ra),rm(ra),rs(ra),ds(de),da(de),dm(de),atz,alt);
	writelog(buffer);
}