ngx::ffi

Function CRYPTO_get_mem_functions

Source 
pub unsafe extern "C" fn CRYPTO_get_mem_functions(
    malloc_fn: *mut Option<unsafe extern "C" fn(_: usize, _: *const i8, _: i32) -> *mut c_void>,
    realloc_fn: *mut Option<unsafe extern "C" fn(_: *mut c_void, _: usize, _: *const i8, _: i32) -> *mut c_void>,
    free_fn: *mut Option<unsafe extern "C" fn(_: *mut c_void, _: *const i8, _: i32)>,
)