text: #ifndef CLASSIC_C_H
  #define CLASSIC_C_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  unsigned long fact_i(const unsigned int n);
  unsigned long fact_lp(const unsigned int n);
  
  float expt_i(const float b, const float n);
  float expt_lp(const float b, const float n);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif // CLASSIC_C_H
  
  