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/* 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. */
#ifndef CRT
#ifdef SHARED
/* For shared libc.so, 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)
#elif defined(__PIC__)
/* If building static libc.a as position-independent code, try to make
* everything hidden except possibly-undefined weak references. */
__attribute__((__visibility__("default")))
extern void (*const __init_array_start)(), (*const __init_array_end)(),
(*const __fini_array_start)(), (*const __fini_array_end)();
#pragma GCC visibility push(hidden)
#endif
#endif
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