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tracker.4.6.lzh
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TRACKER4.6
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tools.c
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1994-11-24
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771b
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45 lines
/* tools.c
vi:ts=3 sw=3:
*/
/* standard routines for use in tracker. Used to be in main.c
*/
/* $Id: tools.c,v 4.3 1994/11/15 16:11:01 espie Exp espie $
* $Log: tools.c,v $
* Revision 4.3 1994/11/15 16:11:01 espie
* *** empty log message ***
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "defs.h"
#include "extern.h"
ID("$Id: tools.c,v 4.3 1994/11/15 16:11:01 espie Exp espie $")
/* v = read_env(name, default): reads the scalar value v
* in the environment, supplies a defaults.
*/
int read_env(name, def)
char *name;
int def;
{
char *var;
int value;
var = getenv(name);
if (!var)
return def;
if (sscanf(var, "%d", &value) == 1)
return value;
else
return def;
}