/*********************************************************
TD d'Algorithmique IN202
ENSTA
Mardi 12 Decembre 2000
Pattern-matching naif
Guillaume Poupard
*********************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char Texte[]="Bonjour la terre !!!";
int decalage_valide(char *P, char *T, int s)
{
int i;
int m=strlen(P);
for(i=0;i<m;i++)
if (P[i]!=T[i+s])
return 0;
return 1;
}
int recherche(char *P, char *T)
{
int n=strlen(T);
int m=strlen(P);
int s;
for(s=0;s<=n-m;s++)
if (decalage_valide(P,T,s))
return 1;
return 0;
}
int main(int argc, char * argv[])
{
printf("%d\n",recherche("jour",Texte));
printf("%d\n",recherche("!!",Texte));
exit(0);
}
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