xstr
xstr(VERSION_MAJOR) "." xstr(VERSION_MINOR),
compf(const regex_t* re, const char* xstr, size_t xlen, regdisc_t* disc)
execf(const regex_t* re, void* data, const char* xstr, size_t xlen, const char* sstr, size_t slen, char** snxt, regdisc_t* disc)
sfprintf(dp->sp, "{%-.*s}(%lu:%d)", xlen, xstr, (char*)data - (char*)0, slen);
return atoi(xstr);