string_to_value
v = string_to_value(value, ty, 0);
v = string_to_value(sp->str, ty, req_quotes);
v = string_to_value(sp->str, ty, 0);
extern void *string_to_value(const char *, char *);
void *value = string_to_value(key, kvp->value);
for (printers = string_to_value((*attrs)->key,
for (printers = string_to_value((*attrs)->key,
value = string_to_value(key, string);