10.45.69 vsnprintf

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9799919799/functions/vsnprintf.html

Gnulib module: vsnprintf or vsnprintf-posix or vsnprintf-gnu

Portability problems fixed by either Gnulib module vsnprintf or vsnprintf-posix or vsnprintf-gnu:

Portability problems fixed by either Gnulib module vsnprintf-posix or vsnprintf-gnu:

Portability problems fixed by Gnulib module vsnprintf-gnu:

Portability problems fixed by either Gnulib module vsnprintf-posix or vsnprintf-gnu and additionally the Gnulib module printf-with-n-directive:

Portability problems not fixed by Gnulib: