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int main(int argc, char *argv [])
{
char *Next_String;
Next_String = String_In_String ("Petit texte de test", "test");
if (Next_String != NULL)
{
printf("L'occurrence est : %s.\n", Next_String);
}
return 0;
}
int Size_String (char *String)
{
char Character = 0;
int Number_Of_Character = 0;
do
{
Character = String [Number_Of_Character];
Number_Of_Character ++;
} while(Character != '\0');
return Number_Of_Character;
}
int Comp_String (const char *String_1, const char *String_2)
{
int Size = 0, Size_1 = 0, Size_2 = 0, Comp = 0, i;
Size_1 = Size_String (String_1);
Size_2 = Size_String (String_2);
Size = Size_1 - Size_2;
if (Size == 0)
{
for(i=0; i<Size; i++)
{
if (String_1 [i] == String_2 [i])
{
Comp = 0;
//printf("Les chaines sont identiques.\n\n");
return Comp;
}
}
}
else
{
if (Size > 0)
{
Comp = 1;
printf("Les chaines sont differentes, la premiere etant plus grande que la seconde.\n\n");
return Comp;
}
if (Size < 0)
{
Comp = -1;
printf("Les chaines sont differentes, la premiere etant plus petite que la seconde.\n\n");
return Comp;
}
}
}
char *String_In_String (const char *String_1, const char *String_2)
{
int Size = 0, Size_1 = 0, Size_2 = 0, Comp = 0, i, k;
char *Occurrence = 0;
Size_1 = Size_String (String_1);
Size_2 = Size_String (String_2);
Comp = Comp_String (String_1, String_2);
for(i=0; i<Size_1; i++)
{
for(k=0; k<Size_2; k++)
{
if ( (String_1 [i] == String_2 [k]))
{
return String_1 - Size_2;
}
}
}
return NULL;
} |
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