text: #ifndef SIMTA_SRS_H
  #define SIMTA_SRS_H
  
  #include "envelope.h"
  #include "red.h"
  
  #define SRS_OK 0
  #define SRS_BADSYNTAX 1
  #define SRS_EXPIRED 2
  #define SRS_INVALID 3
  #define SRS_SYSERROR 4
  
  int srs_forward(struct envelope *);
  int srs_reverse(const char *, char **, const char *);
  int srs_expand(struct expand *, struct exp_addr *, struct action *);
  int srs_valid(const char *, const char *);
  
  #endif /* SIMTA_SRS_H */
  /* vim: set softtabstop=4 shiftwidth=4 expandtab :*/
  