execsw
const struct execsw execsw[] = {
int nexecs = (sizeof execsw / sizeof(*execsw));
if (execsw[i].es_check != NULL &&
execsw[i].es_hdrsz > exec_maxhdrsz)
exec_maxhdrsz = execsw[i].es_hdrsz;
if (execsw[i].es_check == NULL)
newerror = (*execsw[i].es_check)(p, epp);
extern const struct execsw execsw[];