devices groff.cc /^void devices()$/ help groff.cc /^void help()$/ if groff.cc /^ if (contains_single_quote || argv[i][0] == '\\/ strsignal groff.cc /^const char *strsignal(int n)$/ synopsis groff.cc /^void synopsis()$/ sys_fatal groff.cc /^void sys_fatal(const char *s)$/ usage groff.cc /^void usage()$/