setbool
static int setbool(struct figpar_config *, uint32_t, char *, char *);
{FIGPAR_TYPE_BOOL, "visit_items", {(void *)0}, &setbool},
{FIGPAR_TYPE_BOOL, "use_shadow", {(void *)1}, &setbool},
{FIGPAR_TYPE_BOOL, "use_colors", {(void *)1}, &setbool},