10.47.16 strcpy

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

Gnulib module: string-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: strcpy (dst, src) is only safe to use when you can guarantee that there are at least strlen (src) + 1 bytes allocated at dst.