Re: [Gumstix-users] C I/O help

[<sha...@si...>]

Hi.

textdat=fgetc(fp);

You can also use standard function fscanf, write and read in stdio.h.

Do not forgot to check the return value of every C lib function.
For exemple, fopen can return NULL.

See


Demetris Zavorotnichenko a écrit :
>
> Hi guys.
>
> This Is really stupid but I am trying to read and write from files.
>
> So I want for example write to a file test.test a character “H”
>
> And then read that file and save the character in a variable.
>
> So I got this far :
>
> FILE *fp;
>
> char textdat;
>
> /* Write “GO” to a file */
>
> fp = fopen("test.test", "w");
>
> fprintf(fp, "Go");
>
> fclose(fp);
>
> /* Read character from file */
>
> fp = fopen("test.test", "r");
>
> What next ?
>
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