#include <stdio.h>

int main(void)
{
  char p[] = "****123";
  char *s = p;
  
  while (*s && *s == '*') s++;
  
  printf("%d\n", atoi(s));
  
  return 0;
}

#include <stdio.h>

int main(void)
{
  char p[] = "***123";
  int i;  

  sscanf(p, "%*[^0-9]%d", &i);  
  printf("%d\n", i);
  
  return 0;
}