#include <stdio.h>
#include <stdlib.h>

char chaine1[20];
char chaine2[20];
int i,j,longch1,longch2;
long egale=0;
int main()
{
    
     longch1 = strlen(chaine1);
     longch2 = strlen(chaine2);
    
        printf("Tapez la chaine:\n\n");
        scanf("%s",&chaine1);
                          
        printf("Tapez caractere:\n\n");
        scanf("%s",&chaine2);
        
        do
        {
                             do
                             {
                                       if (chaine2[0]!=chaine1[i])
                                       {i=i+1;}
                                       
                             }while ((i>longch1-1)||(chaine2[0]=chaine1[i]));
                             
                                       if(i>longch1)
                                       {
                                       printf("N'existe pas!!");
                                       }
                                       
                                       else{
                                       if(chaine2[0]==chaine1[i])
                                       {
                                                                 for(j=1;j<=longch2-1;j++)
                                                                 {
                                                                        if(chaine2[j]!=chaine1[i+j]) 
                                                                        {
                                                                        egale=0;
                                                                        }
                                                                 }
                                                                        if (egale=0)
                                                                        {
                                                                         printf("N'existe pas!!");
                                                                        }
                                                                        else
                                                                        {
                                                                        printf("Existe");
                                                                        }
                                       }
                                                                        if (egale=0)
                                                                        {
                                                                        i=i+1;
                                                                        }                
                                                
                                       }
                          
                          
                          
        }while (i>longch1);                 
                          
                          
  
  system("PAUSE");	
  return 0;
}
