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13.16.3 backtrace_symbols_fd

LSB specification:
https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-backtrace-1.html

Documentation:

• https://www.gnu.org/software/libc/manual/html_node/Backtraces.html,
• man backtrace_symbols_fd.

Gnulib module: execinfo

Portability problems fixed by Gnulib:

• 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.

Portability problems not fixed by Gnulib:

• The second argument is of type size_t, not int, on some platforms: FreeBSD, NetBSD, OpenBSD.
• The strings printed by this function not the same as the strings returned by backtrace_symbols on some platforms: glibc 2.39.
• On platforms where the function is missing, the Gnulib substitute implementation is just a stub, and does nothing.