#include <wchar.h>

struct stringtree;
struct string;

void stringtree_append_cstr(
    struct stringtree* this,
    const wchar_t* cstr);

void stringtree_append_string(
    struct stringtree* this,
    struct string* string);

void stringtree_append_formatstr(
    struct stringtree* this,
    const char* fmt, ...);
    
void stringtree_append_stringtree(
    struct stringtree* this,
    struct stringtree* subtree);