text: #ifndef GET_NUMBER_H
  #define GET_NUMBER_H
  
  #define GN_NONNEG 01
  #define GN_GT_0 02
  
  #define GN_ANY_BASE 0100
  #define GN_BASE_8 0200
  #define GN_BASE_16 0400
  
  long get_long(const char *arg, int flags, const char *name);
  int get_int(const char *arg, int flags, const char *name);
  
  #endif