compilation issue

[1vijayvanga]

while compiling the code it shows
async_gatt.c:42:24: error: unknown type name ‘gatt_connection_t’; did you mean ‘gatt_connect_cb_t’?
42 | static void connect_cb(gatt_connection_t* connection) {
| ^~~~~~~~~~~~~~~~~
| gatt_connect_cb_t
async_gatt.c: In function ‘main’:
async_gatt.c:64:9: error: unknown type name ‘gatt_connection_t’; did you mean ‘gatt_connect_cb_t’?
64 | gatt_connection_t* connection;
| ^~~~~~~~~~~~~~~~~
| gatt_connect_cb_t
async_gatt.c:96:30: warning: implicit declaration of function ‘gattlib_connect_async’; did you mean ‘gattlib_connect’? [-Wimplicit-function-declaration]
96 | connection = gattlib_connect_async(NULL, argv[1], BDADDR_LE_RANDOM, BT_SEC_LOW, 0, 0, connect_cb);
| ^~~~~~~~~~~~~~~~~~~~~
| gattlib_connect
async_gatt.c:96:85: error: ‘BT_SEC_LOW’ undeclared (first use in this function)
96 | connection = gattlib_connect_async(NULL, argv[1], BDADDR_LE_RANDOM, BT_SEC_LOW, 0, 0, connect_cb);
| ^~~~~~~~~~
async_gatt.c:96:85: note: each undeclared identifier is reported only once for each function it appears in
async_gatt.c:96:103: error: ‘connect_cb’ undeclared (first use in this function); did you mean ‘connection’?
96 | connection = gattlib_connect_async(NULL, argv[1], BDADDR_LE_RANDOM, BT_SEC_LOW, 0, 0, connect_cb);
| ^~~~~~~~~~
| connection
async_gatt.c:102:44: warning: passing argument 1 of ‘gattlib_disconnect’ from incompatible pointer type [-Wincompatible-pointer-types]
102 | gattlib_disconnect(connection);
| ^~~~~~~~~~
| |
| int *
In file included from async_gatt.c:29:
/usr/local/include/gattlib.h:385:46: note: expected ‘gattlib_connection_t *’ {aka ‘struct _gattlib_connection ’} but argument is of type ‘int ’
385 | int gattlib_disconnect(gattlib_connection_t connection, bool wait_disconnection);
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
async_gatt.c:102:25: error: too few arguments to function ‘gattlib_disconnect’
102 | gattlib_disconnect(connection);
| ^~~~~~~~~~~~~~~~~~
/usr/local/include/gattlib.h:385:5: note: declared here
385 | int gattlib_disconnect(gattlib_connection_t connection, bool wait_disconnection);
| ^~~~~~~~~~~~~~~~~~