mot se terminant par

int main() {
	
	char *a = "Hello World!";
	char *b = strstr(a, "World!");

	int position = b - a;
	int lengtha = strlen(a);
	int lengthb = strlen(b);
	
	printf("the offset is %i\n", position);
	printf("length a = %d\n", lengtha);
	printf("length b = %d\n", lengthb);
	
	if(position>0 && a-b=a/2)
		printf("se termine bien par.\n");
	else
		printf("ne se termine pas par.\n");
		
	return 0;
	
}

#include <stdio.h>
#include <string.h>


int SeTerminePar(char *a, char *b) { 

	unsigned long lmotif, lsrc; 

int v; 
lmotif = strlen(b); 
lsrc = strlen(a); 
if(lmotif > lsrc) return 0; 
lsrc -= lmotif; 
v = strcmp(a + lsrc, b); 
return ((v == 0) ? 1: 0); 
}

int main() {

	char *a = "Hello World!";
	char *b = strstr(a, "Coucou");
	printf("se termine par=%d\n", SeTerminePar(a,b));
}

#include <stdio.h>
#include <string.h>

int endWith(char* stack, char* needle)
{
  char* posStack = stack;
  char* posNeedle = needle;

  while (*stack)
    ++stack;
  while (*needle)
    ++needle;

  while (stack != posStack && needle != posNeedle)
  {
    if (*stack != *needle)
      return 0;
    --stack;
    --needle;
  }

  return needle == posNeedle;
}

int main(void)
{
  /* 1 */
  char* a = "Hello World! coucou";
  char* b = strstr(a, "World!");
  int lengthword = strlen("World!");
  int length = 0;

  if (b == NULL)
    printf("ne se termine pas par.\n");

  length = strlen(b);

  if (lengthword == length)
    printf("se termine bien par.\n");
  else
    printf("ne se termine pas par.\n");

  /* 2 */

  if (endWith(a, b))
    printf("se termine bien par.\n");
  else
    printf("ne se termine pas par.\n");

  return 0;
}