trap_signame
STATIC const char *trap_signame(int);
outfmt(out, "%s", trap_signame(n));
out1fmt(" %s", trap_signame(signo));
out1fmt(" %s", trap_signame(signo));
out1fmt(" %s\n", trap_signame(signo));
out1fmt(" %s\n", trap_signame(signo));