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

int main(){
  char l[80];
  char *s;
  FILE *stream = popen("ls", "r");
  assert(stream != NULL);
  int rc = fseek(stream, 0, SEEK_END);
  if (rc < 0) {
    perror("fseek");
    return EXIT_FAILURE;
  }
  while (fgets(l, sizeof(l), stream) != NULL) {
    printf("Ligne = %s", l);
  }
  return EXIT_SUCCESS;
}