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10.346 fork

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/fork.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

• This function is missing on some platforms: mingw, MSVC 14.
• On some platforms, fork followed by a call of the exec family (execl, execlp, execle, execv, execvp, or execve) is less efficient than vfork followed by the same call. vfork is a variant of fork that has been introduced to optimize the fork/exec pattern.
• On Windows platforms (excluding Cygwin), this function is not implemented; use _spawnvp instead.