libc { GLIBC_2.0 { # functions with required interface outside normal name space __argz_count; __argz_stringify; __argz_next; # functions used in inline functions or macros __bzero; __strtok_r; # functions used in other libraries __ffs; __mempcpy; __stpncpy; __stpcpy; __strcasecmp; __strdup; __strerror_r; # a* argz_add; argz_add_sep; argz_append; argz_count; argz_create; argz_create_sep; argz_delete; argz_extract; argz_insert; argz_next; argz_replace; argz_stringify; # b* basename; bcmp; bcopy; bzero; # e* envz_add; envz_entry; envz_get; envz_merge; envz_remove; envz_strip; # f* ffs; # i* index; # m* memccpy; memchr; memcmp; memcpy; memfrob; memmem; memmove; memset; # r* rindex; # s* stpcpy; stpncpy; strcasecmp; strcat; strchr; strcmp; strcoll; strcpy; strcspn; strdup; strerror; strerror_r; strfry; strlen; strncasecmp; strncat; strncmp; strncpy; strndup; strnlen; strpbrk; strrchr; strsep; strsignal; strspn; strstr; strtok; strtok_r; strxfrm; swab; } GLIBC_2.1 { # functions used in macros and other libraries __rawmemchr; __strcasestr; # f* ffsl; ffsll; # m* mempcpy; # r* rawmemchr; # s* strcasestr; strverscmp; } GLIBC_2.1.1 { # extern inline functions used by <bits/string2.h> __mempcpy_small; __stpcpy_small; __strcspn_c1; __strcspn_c2; __strcspn_c3; __strcpy_small; __strspn_c1; __strspn_c2; __strspn_c3; __strpbrk_c2; __strpbrk_c3; __strsep_1c; __strsep_2c; __strsep_3c; __strsep_g; __strtok_r_1c; # s* strchrnul; __strverscmp; } GLIBC_2.2 { # functions used in macros. __strndup; # m* memrchr; } GLIBC_2.3.4 { # x* __xpg_strerror_r; } GLIBC_2.6 { strerror_l; } GLIBC_2.24 { } GLIBC_2.25 { explicit_bzero; } }