/* Main header gets CCAN_FOO_H, others CCAN_FOO_XXX_H */
if (strstarts(e->file->name, m->basename)
|| strlen(e->file->name) == strlen(m->basename) + 2)
/* Main header gets CCAN_FOO_H, others CCAN_FOO_XXX_H */
if (strstarts(e->file->name, m->basename)
|| strlen(e->file->name) == strlen(m->basename) + 2)