I have a couple of question.

First

I need to write a question that takes three elements

2 are float, the last is char

The question is

Enter the latitude of the city by degresm minutes and pole (Ex: 45 30 N)

I write

Latitude: ;

puts("\Enter the....:");
scanf("%f%f%s", &degres, &minutes, pole);

/*  next i wanna validate the entries so I write  */

if (degres < 0 || degres > 90)

Goto Latitude;

else

if (minutes < 0 || minutes > 60)

Goto Latitude;

else

if (pole != 'N' || pole != 'S')

goto latitude;

....

/*  Obviously my problem is with the third validation.  I know it`s
wrong but i don`t know how to fix it. */

Second Question.

What is the proper way of printing a float without decimals.

Thank You

    char pole[ENOUGH_SPACE];

somewhere, then;

    if ( strcmp( pole, "N" ) && strcmp( pole, "S" ) )

should do, or you could declare "pole" as a simple char, but you would need
to change the scanf().

You should (must?) rewrite the the code to drop these gotos. For simple
validation like this, if {} else {} blocks will suffice and be much easier
to maintain at a later date.

Also, please post a complete sample, not just snippets, as we have to try
to guess at declarations and such like.

Ken
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or if pole is a char there are 2 mistakes:

1.) scanf ("%f%f%c",&degres,&minutes,&pole);
     .
     .
2.) if (pole != 'N' && pole != 'S')

Second question: printf ("%.0f",1.23456) will print 1
------------------------------------------------------------------------Robert

Institut fuer Theoretische Physik|Phone: +43 (0316) 380 5242
Universitaetsplatz 5             |WWW  :
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------------------------------------------------------------------------

or if pole is a char there are 2 mistakes:

1.) scanf ("%f%f%c",&degres,&minutes,&pole);
     .
     .
2.) if (pole != 'N' && pole != 'S')

Second question: printf ("%.0f",1.23456) will print 1
------------------------------------------------------------------------Robert

Institut fuer Theoretische Physik|Phone: +43 (0316) 380 5242
Universitaetsplatz 5             |WWW  :
http://physik.kfunigraz.ac.at/~rbr/
8010 Graz                        |
Austria (Europe)                 |The Amiable Dragon-==(UDIC)==-
------------------------------------------------------------------------

or if pole is a char there are 2 mistakes:

1.) scanf ("%f%f%c",&degres,&minutes,&pole);
     .
     .
2.) if (pole != 'N' && pole != 'S')

Second question: printf ("%.0f",1.23456) will print 1
------------------------------------------------------------------------Robert

Institut fuer Theoretische Physik|Phone: +43 (0316) 380 5242
Universitaetsplatz 5             |WWW  :
http://physik.kfunigraz.ac.at/~rbr/
8010 Graz                        |
Austria (Europe)                 |The Amiable Dragon-==(UDIC)==-
------------------------------------------------------------------------

Or, make `pole' a char instead of a char[] and scan it with %c.

And for God's sake, get rid of these goto's.  Like this:

int bad_input;
do {
    /* Get input. */
    /* ... */

    /* Now check it. */
    bad_input = (degrees < 0 || degrees > 90) ||
                (minutes < 0 || minutes > 60) ||
                (pole[0] != 'N' || pole[0] != 'S');

See also the `floor' function.

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D-69118 Heidelberg

is a start.  You need to get clear the difference between a "char*" and a
"char".

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http://www.law.cornell.edu/uscode/47/227.html|still a rat.

        if (pole != 'N' && pole != 'S')

PS.  Do not put "same" in your Reply-To field.  Put in your actual
e-mail address.  Netscape barfed on "same".

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ComEd, Chicago, IL, USA |"Sorry, I've made other plans."

        if (pole != 'N' && pole != 'S')

--
John Hobson             |Whenever someone says to me,
Unix Support Group      |"Have a nice day", I reply,
ComEd, Chicago, IL, USA |"Sorry, I've made other plans."

  if(toupper(pole) != 'N' || toupper(pole) != 'S')

--
Al Bowers
Tampa, FL

http:www.gate.net/~abowers/index.html

Or something close to this should work.

Cheers
Tanmoy
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By the way, if pole is declaired as char pole[2]; and your user types
45 30 North,  six bytes will be stored in pole (space was reserved for
only 2 bytes (don't forget the null at the end)).

|>
|> (snip)
|> puts("\Enter the....:");
|> scanf("%f%f%s", &degres, &minutes, pole);
|> (snip)
|> if (pole != 'N' || pole != 'S')
|> (snip)
|> /*  Obviously my problem is with the third validation.  I know it`s
|> wrong but i don`t know how to fix it. */
|>
|> (snip)
|
|You have not indicated how pole is declaired.  Is is something
|like char pole[2]; or char pole[10]; ? In any case, pole must be
|a pointer to char. In your 'if' statement, you are comparing a
|pointer to char with a character. This will always fail. Apples and
|Oranges! Try this: if (pole[0] != 'N' ... or this: if (*pole != 'N' ...

Also...  do you always know that your input will be in uppercase?
I'd suggest using toupper(pole[0]) or toupper(*pole) before comparing
against those uppercase literals

Never use a char variable as an argument for toupper (or any of the
other functions in <ctype.h>.  If char is signed and the value is
negative, you may be passing an invalid argument.  toupper() (and the
other <ctype.h> functions) requires an int argument that contains a
value that can be represented as unsigned char or EOF.

Michael M Rubenstein