# lv_tlsf.h (/api/private/stdlib/builtin/lv_tlsf_h)
Functions [#functions]
lv_tlsf_get_pool [#lv_tlsf_get_pool]
```c title=" " lineNumbers=1
lv_pool_t lv_tlsf_get_pool(lv_tlsf_t tlsf)
```
Parameters
| Name | Type |
| ------ | ---------------------------- |
| `tlsf` | |
lv_tlsf_create [#lv_tlsf_create]
```c title=" " lineNumbers=1
lv_tlsf_t lv_tlsf_create(void *mem)
```
Parameters
| Name | Type |
| ----- | -------- |
| `mem` | `void *` |
lv_tlsf_create_with_pool [#lv_tlsf_create_with_pool]
```c title=" " lineNumbers=1
lv_tlsf_t lv_tlsf_create_with_pool(void *mem, size_t bytes)
```
Parameters
| Name | Type |
| ------- | -------- |
| `mem` | `void *` |
| `bytes` | `size_t` |
lv_tlsf_destroy [#lv_tlsf_destroy]
```c title=" " lineNumbers=1
void lv_tlsf_destroy(lv_tlsf_t tlsf)
```
Parameters
| Name | Type |
| ------ | ---------------------------- |
| `tlsf` | |
lv_tlsf_add_pool [#lv_tlsf_add_pool]
```c title=" " lineNumbers=1
lv_pool_t lv_tlsf_add_pool(lv_tlsf_t tlsf, void *mem, size_t bytes)
```
Parameters
| Name | Type |
| ------- | ---------------------------- |
| `tlsf` | |
| `mem` | `void *` |
| `bytes` | `size_t` |
lv_tlsf_remove_pool [#lv_tlsf_remove_pool]
```c title=" " lineNumbers=1
void lv_tlsf_remove_pool(lv_tlsf_t tlsf, lv_pool_t pool)
```
Parameters
| Name | Type |
| ------ | ---------------------------- |
| `tlsf` | |
| `pool` | |
lv_tlsf_malloc [#lv_tlsf_malloc]
```c title=" " lineNumbers=1
void * lv_tlsf_malloc(lv_tlsf_t tlsf, size_t bytes)
```
Parameters
| Name | Type |
| ------- | ---------------------------- |
| `tlsf` | |
| `bytes` | `size_t` |
lv_tlsf_memalign [#lv_tlsf_memalign]
```c title=" " lineNumbers=1
void * lv_tlsf_memalign(lv_tlsf_t tlsf, size_t align, size_t bytes)
```
Parameters
| Name | Type |
| ------- | ---------------------------- |
| `tlsf` | |
| `align` | `size_t` |
| `bytes` | `size_t` |
lv_tlsf_realloc [#lv_tlsf_realloc]
```c title=" " lineNumbers=1
void * lv_tlsf_realloc(lv_tlsf_t tlsf, void *ptr, size_t size)
```
Parameters
| Name | Type |
| ------ | ---------------------------- |
| `tlsf` | |
| `ptr` | `void *` |
| `size` | `size_t` |
lv_tlsf_free [#lv_tlsf_free]
```c title=" " lineNumbers=1
size_t lv_tlsf_free(lv_tlsf_t tlsf, const void *ptr)
```
Parameters
| Name | Type |
| ------ | ---------------------------- |
| `tlsf` | |
| `ptr` | `const void *` |
lv_tlsf_block_size [#lv_tlsf_block_size]
```c title=" " lineNumbers=1
size_t lv_tlsf_block_size(void *ptr)
```
Parameters
| Name | Type |
| ----- | -------- |
| `ptr` | `void *` |
lv_tlsf_size [#lv_tlsf_size]
```c title=" " lineNumbers=1
size_t lv_tlsf_size(void)
```
lv_tlsf_align_size [#lv_tlsf_align_size]
```c title=" " lineNumbers=1
size_t lv_tlsf_align_size(void)
```
lv_tlsf_block_size_min [#lv_tlsf_block_size_min]
```c title=" " lineNumbers=1
size_t lv_tlsf_block_size_min(void)
```
lv_tlsf_block_size_max [#lv_tlsf_block_size_max]
```c title=" " lineNumbers=1
size_t lv_tlsf_block_size_max(void)
```
lv_tlsf_pool_overhead [#lv_tlsf_pool_overhead]
```c title=" " lineNumbers=1
size_t lv_tlsf_pool_overhead(void)
```
lv_tlsf_alloc_overhead [#lv_tlsf_alloc_overhead]
```c title=" " lineNumbers=1
size_t lv_tlsf_alloc_overhead(void)
```
lv_tlsf_walk_pool [#lv_tlsf_walk_pool]
```c title=" " lineNumbers=1
void lv_tlsf_walk_pool(lv_pool_t pool, lv_tlsf_walker walker, void *user)
```
Parameters
| Name | Type |
| -------- | --------------------------------- |
| `pool` | |
| `walker` | |
| `user` | `void *` |
lv_tlsf_check [#lv_tlsf_check]
```c title=" " lineNumbers=1
int lv_tlsf_check(lv_tlsf_t tlsf)
```
Parameters
| Name | Type |
| ------ | ---------------------------- |
| `tlsf` | |
lv_tlsf_check_pool [#lv_tlsf_check_pool]
```c title=" " lineNumbers=1
int lv_tlsf_check_pool(lv_pool_t pool)
```
Parameters
| Name | Type |
| ------ | ---------------------------- |
| `pool` | |
Typedefs [#typedefs]
lv_tlsf_t [#lv_tlsf_t]
```c title=" " lineNumbers=1
typedef void* lv_tlsf_t
```
* `lv_tlsf_destroy` — param `tlsf`
* `lv_tlsf_get_pool` — param `tlsf`
* `lv_tlsf_add_pool` — param `tlsf`
* `lv_tlsf_remove_pool` — param `tlsf`
* `lv_tlsf_malloc` — param `tlsf`
* `lv_tlsf_memalign` — param `tlsf`
* `lv_tlsf_realloc` — param `tlsf`
* `lv_tlsf_free` — param `tlsf`
* `lv_tlsf_check` — param `tlsf`
lv_pool_t [#lv_pool_t]
```c title=" " lineNumbers=1
typedef void* lv_pool_t
```
* `lv_tlsf_remove_pool` — param `pool`
* `lv_tlsf_walk_pool` — param `pool`
* `lv_tlsf_check_pool` — param `pool`
lv_tlsf_walker [#lv_tlsf_walker]
```c title=" " lineNumbers=1
typedef void(* lv_tlsf_walker) (void *ptr, size_t size, int used, void *user)
```
* `lv_tlsf_walk_pool` — param `walker`
Dependencies [#dependencies]