| /* This file is only used if enabled in the build system, in which case it is |
| * included automatically via command line options. It is not included |
| * explicitly by any source files or other headers. Its purpose is to |
| * override default visibilities to reduce the size and performance costs |
| * of position-independent code. */ |
| |
| #if !defined(CRT) && !defined(__ASSEMBLER__) |
| |
| /* Conceptually, all symbols should be protected, but some toolchains |
| * fail to support copy relocations for protected data, so exclude all |
| * exported data symbols. */ |
| |
| __attribute__((__visibility__("default"))) |
| extern struct _IO_FILE *const stdin, *const stdout, *const stderr; |
| |
| __attribute__((__visibility__("default"))) |
| extern int optind, opterr, optopt, optreset, __optreset, getdate_err, h_errno, daylight, __daylight, signgam, __signgam; |
| |
| __attribute__((__visibility__("default"))) |
| extern long timezone, __timezone; |
| |
| __attribute__((__visibility__("default"))) |
| extern char *optarg, **environ, **__environ, *tzname[2], *__tzname[2], *__progname, *__progname_full; |
| |
| #pragma GCC visibility push(protected) |
| |
| #endif |
