style: Remove some code

Author: Yushu2606

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.26)
+cmake_minimum_required(VERSION 3.28.1)
 
 set(CMAKE_C_STANDARD 23)
 set(CMAKE_C_COMPILER clang)

include/main.h

@@ -9,8 +9,8 @@ typedef int (*__libc_start_main_type)(int (*)(int, char **, char **), int,
                                       char **, void (*)(), void (*)(),
                                       void (*)(), void *);
 
-int __libc_start_main(int (*)(int, char **, char **), int, char **,
-                      void (*init)(), void (*)(), void (*)(), void *);
+int __libc_start_main(int (*)(int, char **, char **), int, char **, void (*)(),
+                      void (*)(), void (*)(), void *);
 
 void init_loading();
 

src/main.c

@@ -10,7 +10,7 @@ int __libc_start_main(int (*main)(int, char **, char **), int argc,
                       void (*rtld_fini)(), void *stack_end) {
     init_loading();
     __libc_start_main_type original_start_main =
-        (__libc_start_main_type)dlsym((void *)-1, "__libc_start_main");
+        dlsym((void *)-1, "__libc_start_main");
     return original_start_main(main, argc, ubp_av, init, fini, rtld_fini,
                                stack_end);
 }