added struct tags for all declared structs

[aalmkainzi]

This is so that declare_* macros work in C23 without needing i_declared.

For example, this code did not work because structs like the _iter and _result structs do not have tags, and what happens is the two declarations declare the same typedef name, but two anonymous structs, so they are not compatible. adding a tag fixes it, because in C23 re-declaring the same struct with the same tag is allowed.

#include "stc/types.h"

// vec
declare_vec(Vec, int);

#define T Vec, int
#include "stc/vec.h"

// list
declare_list(List, int);

#define T List, int
#include "stc/list.h"

// queue

declare_queue(Queue, int);

#define T Queue, int
#include "stc/queue.h"

// hashset

declare_hashset(Set, int);

#define T Set, int
#include "stc/hashset.h"

// sortedset

declare_sortedset(SortedSet, int);

#define T SortedSet, int
#include "stc/sortedset.h"

[nikita-edel]

not allowing the same typdef on the same struct name in any standard annoys me so damn much, like this useless restriction destroys so much potential

[nikita-edel]

i genuinly think i will stop writing c99 because of this stupid thing
and when im using c11(which doesnt solve this problem) and c23 might as well write c++
and c23 isnt even fully supported by msvc... CRAZY
edit:
anyways i still will use c23, LLVM + msvc is supported on windows