c fopen

#include<stdio.h>
#include<conio.h>
void main(){
  FILE *fp;
  //r means read file
  fp=fopen("sam.txt","r");
  fclose(fp);
  getch();
}

3
1
Phoenix Logan 186120 points

                                    #include &lt;stdio.h&gt;
#include &lt;stdlib.h&gt;

int main () {
   FILE * fp;

   fp = fopen (&quot;file.txt&quot;, &quot;w+&quot;);
   fprintf(fp, &quot;%s %s %s %d&quot;, &quot;We&quot;, &quot;are&quot;, &quot;in&quot;, 2012);
   
   fclose(fp);
   
   return(0);
}

3 (1 Votes)
0
4
8
Awgiedawgie 440220 points

                                    FILE *fopen(const char *filename, const char *mode)

4 (8 Votes)
0
4.25
8
Phoenix Logan 186120 points

                                    /*
&quot;r&quot;: lecture seule. Vous pourrez lire le contenu du fichier, 
mais pas y &eacute;crire. Le fichier doit avoir &eacute;t&eacute; cr&eacute;&eacute; au pr&eacute;alable.

&quot;w&quot;: &eacute;criture seule. Vous pourrez &eacute;crire dans le fichier, 
mais pas lire son contenu. Si le fichier n'existe pas, il sera cr&eacute;&eacute;.

&quot;a&quot;: mode d'ajout. Vous &eacute;crirez dans le fichier, en partant de la fin du 
fichier. Vous ajouterez donc du texte &agrave; la fin du fichier. Si le 
fichier n'existe pas, il sera cr&eacute;&eacute;.

&quot;r+&quot;: lecture et &eacute;criture. Vous pourrez lire et &eacute;crire dans le fichier.
Le fichier doit avoir &eacute;t&eacute; cr&eacute;&eacute; au pr&eacute;alable.

&quot;w+&quot;: lecture et &eacute;criture, avec suppression du contenu au pr&eacute;alable. 
Le fichier est donc d'abord vid&eacute; de son contenu, vous pouvez y &eacute;crire, et le lire ensuite. Si le fichier n'existe pas, il sera cr&eacute;&eacute;.

&quot;a+&quot;: ajout en lecture / &eacute;criture &agrave; la fin. Vous &eacute;crivez 
et lisez du texte &agrave; partir de la fin du fichier. Si le fichier n'existe pas, 
il sera cr&eacute;&eacute;.
*/

// Exemple 

int main(int argc, char *argv[])
{
    FILE* fichier = NULL;

    fichier = fopen(&quot;test.txt&quot;, &quot;r+&quot;);

    return 0;
}

4.25 (8 Votes)
0
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