5 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/sscanf.html}
7 LSB specification:@* @url{https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-sscanf.html}
11 Portability problems fixed by Gnulib:
15 Portability problems not fixed by Gnulib:
18 On Windows platforms (excluding Cygwin), this function does not set @code{errno}
21 On Windows, this function doesn't support the @code{hh}, @code{ll}, @code{j},
22 @code{t}, @code{z} size specifiers.