1/* This file should define the low-level program entry point,
2 which should set up `__environ', and then do:
3 __libc_init(argc, argv, __environ);
4 exit(main(argc, argv, __environ));
5
6 This file should be prepared to be the first thing in the text section (on
7 Unix systems), or otherwise appropriately special. */
8
9/* The first piece of initialized data. */
10int __data_start = 0;
11weak_alias (__data_start, data_start)
12

source code of glibc/csu/start.c