Struct и всё что с этим связанно

  struct MultiTarget {
    const char *str;  // string you're searching for
    size_t len;       // length of string you're searching for
    size_t index;     // index used by the search routine.
  } ;
MultiTarget t[1] = {{OK, strlen(OK), 0}};
int main()

  struct MultiTarget {
    const char *str;  // string you're searching for
    size_t len;       // length of string you're searching for
    size_t index;     // index used by the search routine.
  } t;
t[1] = {{OK, strlen(OK), 0}};   //так не хочет
t = {OK, strlen(OK), 0};        //так тоже
int main()

  struct MultiTarget {
    const char *str;  // string you're searching for
    size_t len;       // length of string you're searching for
    size_t index;     // index used by the search routine.
  } t;
int main(){
t = {OK, strlen(OK), 0}; }

int findMulti( struct MultiTarget *targets, int tCount) {
for (struct MultiTarget *t = targets; t < targets+tCount; ++t) {}
}

struct MultiTarget {
    const char *str;  // string you're searching for
    size_t len;       // length of string you're searching for
    size_t index;     // index used by the search routine.
} t = { OK, strlen(OK), 0 };

struct MultiTarget {
    const char *str;  // string you're searching for
    size_t len;       // length of string you're searching for
    size_t index;     // index used by the search routine.
} t[1] = { { OK, strlen(OK), 0 } };

struct MultiTarget {
} t;

struct MultiTarget {
};
MultiTarget t;

MultiTarget t[1]; 
MultiTarget  *t;

MultiTarget t; // инициализация
t = { OK, strlen(OK), 0 };  // присваивание
MultiTarget t2 = { OK, strlen(OK), 0 }; // это тоже инициализация, не присваивание!

MultiTarget  *t0 = &t, **t1=&t0, t2[10], t3 = MultiTarget(), t4;

MultiTarget *t2 = t;
t = t + 1;
const char *str2 = t2->str;
t2->str = t2->str + 1;
return str2;

struct Targets {
    const char *str;
    uint8_t len;
};

bool my_fun(const char*target){
    if (strlen(target) <= 0) return true;
    Targets t[1] = {target, strlen(target)};
    return find_target(t, 1);
}

typedef struct {
} struct_alias;
struct_alias new_struct;

struct Struct{
};
 
Struct new_struct;

struct A { int m; };

struct A aObj;