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#include<stdio.h>

#include <stdio.h>

#include<string.h>

#include <string.h>

#include <ctype.h> // isdigit

void line_1(char n)

{

char *l;

const char *l; // "????" is not 'char *', 'const char *'

switch(n)

{

case '0': l="....";puts(l);break;

case '0': l="....";printf(l);break;

case '1': l=".";puts(l);break;

case '1': l=". ";printf(l);break;

case '2': l="....";puts(l);break;

case '2': l="....";printf(l);break;

case '3': l="....";puts(l);break;

case '3': l="....";printf(l);break;

case '4': l=". ";puts(l);break;

case '4': l=". .";printf(l);break;

case '5': l="....";puts(l);break;

case '5': l="....";printf(l);break;

case '6': l="....";puts(l);break;

case '6': l="....";printf(l);break;

case '7': l="....";puts(l);break;

case '7': l="....";printf(l);break;

case '8': l="....";puts(l);break;

case '8': l="....";printf(l);break;

case '9': l="....";puts(l);break;

case '9': l="....";printf(l);break;

}

void line_2(char n)

{

char *l;

const char *l;

switch(n)

{case '0': l=". .";puts(l);break;

{

case '1': l=".";puts(l);break;

case '0': l=". .";printf(l);break;

case '2': l=" .";puts(l);break;

case '1': l=". ";printf(l);break;

case '3': l=" .";puts(l);break;

case '2': l=" .";printf(l);break;

case '4': l=". .";puts(l);break;

case '3': l=" .";printf(l);break;

case '5': l=". ";puts(l);break;

case '4': l=". .";printf(l);break;

case '6': l=". ";puts(l);break;

case '5': l=". ";printf(l);break;

case '7': l=" .";puts(l);break;

case '6': l=". ";printf(l);break;

case '8': l=". .";puts(l);break;

case '7': l=" .";printf(l);break;

case '9': l=". .";puts(l);break;}

case '8': l=". .";printf(l);break;

case '9': l=". .";printf(l);break;}

}

void line_3(char n)

{

char *l;

const char *l;

switch(n)

{case '0': l=". .";puts(l);break;

{

case '1': l=".";puts(l);break;

case '0': l=". .";printf(l);break;

case '2': l="....";puts(l);break;

case '1': l=". ";printf(l);break;

case '3': l="....";puts(l);break;

case '2': l="....";printf(l);break;

case '4': l="....";puts(l);break;

case '3': l="....";printf(l);break;

case '5': l="....";puts(l);break;

case '4': l="....";printf(l);break;

case '6': l="....";puts(l);break;

case '5': l="....";printf(l);break;

case '7': l=" .";puts(l);break;

case '6': l="....";printf(l);break;

case '8': l="....";puts(l);break;

case '7': l=" .";printf(l);break;

case '9': l="....";puts(l);break;}

case '8': l="....";printf(l);break;

case '9': l="....";printf(l);break;}

}

void line_4(char n)

{

char *l;

const char *l;

switch(n)

{case '0': l=". .";puts(l);break;

{

case '1': l=".";puts(l);break;

case '0': l=". .";printf(l);break;

case '2': l=". ";puts(l);break;

case '1': l=". ";printf(l);break;

case '3': l=" .";puts(l);break;

case '2': l=". ";printf(l);break;

case '4': l=" .";puts(l);break;

case '3': l=" .";printf(l);break;

case '5': l=" .";puts(l);break;

case '4': l=" .";printf(l);break;

case '6': l=". .";puts(l);break;

case '5': l=" .";printf(l);break;

case '7': l=" .";puts(l);break;

case '6': l=". .";printf(l);break;

case '8': l=". .";puts(l);break;

case '7': l=" .";printf(l);break;

case '9': l=" .";puts(l);break;}

case '8': l=". .";printf(l);break;

case '9': l=" .";printf(l);break;}

}

void line_5(char n)

{

char *l;

const char *l;

switch(n)

{case '0': l="....";puts(l);break;

{

case '1': l=".";puts(l);break;

case '0': l="....";printf(l);break;

case '2': l="....";puts(l);break;

case '1': l=". ";printf(l);break;

case '3': l="....";puts(l);break;

case '2': l="....";printf(l);break;

case '4': l=" .";puts(l);break;

case '3': l="....";printf(l);break;

case '5': l="....";puts(l);break;

case '4': l=" .";printf(l);break;

case '6': l="....";puts(l);break;

case '5': l="....";printf(l);break;

case '7': l=" .";puts(l);break;

case '6': l="....";printf(l);break;

case '8': l="....";puts(l);break;

case '7': l=" .";printf(l);break;

case '9': l="....";puts(l);break;}

case '8': l="....";printf(l);break;

case '9': l="....";printf(l);break;}

}

main()

int main()

{

char nbr[20],c;

int i,len;

int i, j, len;

printf("entrer un nbr SVP : ");

gets(nbr);

scanf("%19s", nbr);// bad gets(nbr);

len=strlen(nbr);

for(i=0;i<len;i++)

for(j=0;j<5;j++)

{

for( i = 0 ; i < len ; i++ ) {

c=nbr[i];

if(isdigit(c))

{

line_1(c);

switch(j){

line_2(c);

case 0: line_1(c); break;

line_3(c);

case 1: line_2(c); break;

line_4(c);

case 2: line_3(c); break;

line_5(c);

case 3: line_4(c); break;

case 4: line_5(c); break;

}

else

}

printf("%c",c);

// else

// printf("%c",c);

printf(" ");

}

puts("");

}

return 0;

}

Saved diffs

Original text

Open file

#include<stdio.h>
#include<string.h>
void line_1(char n)
{
    char *l;
    switch(n)
    {
        case '0': l="....";puts(l);break;
        case '1': l=".";puts(l);break;
        case '2': l="....";puts(l);break;
        case '3': l="....";puts(l);break;
        case '4': l=".   ";puts(l);break;
        case '5': l="....";puts(l);break;
        case '6': l="....";puts(l);break;
        case '7': l="....";puts(l);break;
        case '8': l="....";puts(l);break;
        case '9': l="....";puts(l);break;
    }
}
void line_2(char n)
{
    char *l;
    switch(n)
    {case '0': l=".  .";puts(l);break;
    case '1': l=".";puts(l);break;
    case '2': l="   .";puts(l);break;
    case '3': l="   .";puts(l);break;
    case '4': l=".  .";puts(l);break;
    case '5': l=".   ";puts(l);break;
    case '6': l=".   ";puts(l);break;
    case '7': l="   .";puts(l);break;
    case '8': l=".  .";puts(l);break;
    case '9': l=".  .";puts(l);break;}
}
void line_3(char n)
{
    char *l;
    switch(n)
    {case '0': l=".  .";puts(l);break;
    case '1': l=".";puts(l);break;
    case '2': l="....";puts(l);break;
    case '3': l="....";puts(l);break;
    case '4': l="....";puts(l);break;
    case '5': l="....";puts(l);break;
    case '6': l="....";puts(l);break;
    case '7': l="   .";puts(l);break;
    case '8': l="....";puts(l);break;
    case '9': l="....";puts(l);break;}
}
void line_4(char n)
{
    char *l;
    switch(n)
    {case '0': l=".  .";puts(l);break;
    case '1': l=".";puts(l);break;
    case '2': l=".   ";puts(l);break;
    case '3': l="   .";puts(l);break;
    case '4': l="   .";puts(l);break;
    case '5': l="   .";puts(l);break;
    case '6': l=".  .";puts(l);break;
    case '7': l="   .";puts(l);break;
    case '8': l=".  .";puts(l);break;
    case '9': l="   .";puts(l);break;}
}
void line_5(char n)
{
    char *l;
    switch(n)
    {case '0': l="....";puts(l);break;
    case '1': l=".";puts(l);break;
    case '2': l="....";puts(l);break;
    case '3': l="....";puts(l);break;
    case '4': l="   .";puts(l);break;
    case '5': l="....";puts(l);break;
    case '6': l="....";puts(l);break;
    case '7': l="   .";puts(l);break;
    case '8': l="....";puts(l);break;
    case '9': l="....";puts(l);break;}
}
main()
{
    char nbr[20],c;
    int i,len;
    printf("entrer un nbr SVP : ");
    gets(nbr);
    len=strlen(nbr);
    for(i=0;i<len;i++)
    {
        c=nbr[i];
        if(isdigit(c))
        {
            line_1(c);
            line_2(c);
            line_3(c);
            line_4(c);
            line_5(c);
        }
        else
            printf("%c",c);
    }
}

Changed text

Open file

#include <stdio.h>
#include <string.h>
#include <ctype.h> // isdigit

void line_1(char n)
{
    const char *l; // "????" is not 'char *', 'const char *'
    switch(n)
    {
        case '0': l="....";printf(l);break;
        case '1': l=".   ";printf(l);break;
        case '2': l="....";printf(l);break;
        case '3': l="....";printf(l);break;
        case '4': l=".  .";printf(l);break;
        case '5': l="....";printf(l);break;
        case '6': l="....";printf(l);break;
        case '7': l="....";printf(l);break;
        case '8': l="....";printf(l);break;
        case '9': l="....";printf(l);break;
    }
}
void line_2(char n)
{
    const char *l;
    switch(n)
    {
    case '0': l=".  .";printf(l);break;
    case '1': l=".   ";printf(l);break;
    case '2': l="   .";printf(l);break;
    case '3': l="   .";printf(l);break;
    case '4': l=".  .";printf(l);break;
    case '5': l=".   ";printf(l);break;
    case '6': l=".   ";printf(l);break;
    case '7': l="   .";printf(l);break;
    case '8': l=".  .";printf(l);break;
    case '9': l=".  .";printf(l);break;}
}
void line_3(char n)
{
    const char *l;
    switch(n)
    {
    case '0': l=".  .";printf(l);break;
    case '1': l=".   ";printf(l);break;
    case '2': l="....";printf(l);break;
    case '3': l="....";printf(l);break;
    case '4': l="....";printf(l);break;
    case '5': l="....";printf(l);break;
    case '6': l="....";printf(l);break;
    case '7': l="   .";printf(l);break;
    case '8': l="....";printf(l);break;
    case '9': l="....";printf(l);break;}
}
void line_4(char n)
{
    const char *l;
    switch(n)
    {
    case '0': l=".  .";printf(l);break;
    case '1': l=".   ";printf(l);break;
    case '2': l=".   ";printf(l);break;
    case '3': l="   .";printf(l);break;
    case '4': l="   .";printf(l);break;
    case '5': l="   .";printf(l);break;
    case '6': l=".  .";printf(l);break;
    case '7': l="   .";printf(l);break;
    case '8': l=".  .";printf(l);break;
    case '9': l="   .";printf(l);break;}
}
void line_5(char n)
{
    const char *l;
    switch(n)
    {
    case '0': l="....";printf(l);break;
    case '1': l=".   ";printf(l);break;
    case '2': l="....";printf(l);break;
    case '3': l="....";printf(l);break;
    case '4': l="   .";printf(l);break;
    case '5': l="....";printf(l);break;
    case '6': l="....";printf(l);break;
    case '7': l="   .";printf(l);break;
    case '8': l="....";printf(l);break;
    case '9': l="....";printf(l);break;}
}
int main()
{
    char nbr[20],c;
    int i, j, len;
    printf("entrer un nbr SVP : ");
    scanf("%19s", nbr);// bad gets(nbr);
    len=strlen(nbr);
    for(j=0;j<5;j++)
    {
      for( i = 0 ; i < len ; i++ ) {
        c=nbr[i];
          if(isdigit(c))
          {
            switch(j){
              case 0: line_1(c); break;
              case 1: line_2(c); break;
              case 2: line_3(c); break;
              case 3: line_4(c); break;
              case 4: line_5(c); break;
            }
          }
        // else
            // printf("%c",c);
          printf(" ");
      }
      puts("");
    }
  return 0;
}