🚀 go-pugleaf

Do not use scanf, a risky and quirky function. Instead, use this:

char buff[128];

printf("Press Enter: ");

fgets(buff,128,stdin);

This is also a better way to acquire inputs of all kinds from the user.

Paul Lutus
mbt4w wrote in message <36A0C0CC.9E2E7172@overthere.com>...
>Is there a way to allow a null input for scanf?
>I need to be able to just press [enter]  to return 0, when prompting for
>a
>user input.  Basic's "input x" works this way and is very useful when
>prompting
>with default values. Maybe there is another command more like basic's
>"input".
>
>scanf("%f",&x);  seems to require an entry prier to pushing [enter].
>If you only press [enter] scanf still waits for input.
>
>test.c does not work the same as test.bas.. test.c requires you type [0]
>then [enter].
>In test.bas you just press [enter] to return 0.
>
>/** test.c **/
>amount= 5.3
>printf("Enter a value <%d> ",amount);
>scanf("%d",&f);
>    if (x1 != 0) amount=x1;
>
>
>REM ** test.bas **
>amout= 5.3
>PRINT "Enter a value. <"; amount; "> ";
>INPUT x
>IF x <> 0 THEN amount = x
>
>
>Maybe I need to pre-stuff the input buffer with a leading zero? If this
>is what is needed,
>how would it be done.
>
>
>Thanks