1: libc {
    2:   GLIBC_2.0 {
    3:     # functions used in inline functions or macros
    4:     __assert_fail; __assert_perror_fail;
    5:   }
    6:   GLIBC_2.2 {
    7:     # just for standard compliance
    8:     __assert;
    9:   }
   10: }