posix_spawn
int posix_spawn(pid_t * __restrict, const char * __restrict,
error = posix_spawn(&pid, myargs[0], NULL, NULL, myargs, myenv);
error = posix_spawn(&pid, _PATH_PR, &fa, &sa, argv, environ);
error = posix_spawn(&pid, diffargv[0], &fa, &sa, diffargv, environ);
error = posix_spawn(&child, "/usr/libexec/bhyve-slirp-helper",
if (posix_spawn(&pid, argv[0], NULL, NULL,
if ((skipped = posix_spawn(&pid, argv[0], NULL, NULL,