sigchain.hon commit Make report() from usage.c public as vreportf() and use it. (ebaa79f)
   1#ifndef SIGCHAIN_H
   2#define SIGCHAIN_H
   3
   4typedef void (*sigchain_fun)(int);
   5
   6int sigchain_push(int sig, sigchain_fun f);
   7int sigchain_pop(int sig);
   8
   9void sigchain_push_common(sigchain_fun f);
  10
  11#endif /* SIGCHAIN_H */