tp fichier 2

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main()
{
    FILE *f;
    char ch[10];
    scanf("%s",ch);
    f=fopen(strcat(ch,".txt"),"r");
    int i=1;
    char buf[200];
    while(fgets(buf,200,f)){
        printf("Ligne %d\t\n",i);
        printf("%s",buf);
        i++;
    }
    return 0;
}