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@node backtrace_symbols
@subsection @code{backtrace_symbols}
@findex backtrace_symbols
LSB specification:@* @url{https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-backtrace-1.html}
Documentation:
@itemize
@item
@ifinfo
@ref{Backtraces,,Backtraces,libc},
@end ifinfo
@ifnotinfo
@url{https://www.gnu.org/software/libc/manual/html_node/Backtraces.html},
@end ifnotinfo
@item
@uref{https://www.kernel.org/doc/man-pages/online/pages/man3/backtrace_symbols.3.html,,man backtrace_symbols}.
@end itemize
Gnulib module: execinfo
@mindex execinfo
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on many platforms:
musl libc, FreeBSD 9.3, NetBSD 6.1, OpenBSD 6.9, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 10, Cygwin 2.9, mingw, MSVC 14, Android API level 32.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
The second argument is of type @code{size_t}, not @code{int}, on some platforms:
FreeBSD, NetBSD, OpenBSD.
@item
On platforms where the function is missing,
the Gnulib substitute implementation is just a stub, and does nothing.
@end itemize
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