fdatasync        1040 lib/unistd.in.h _GL_FUNCDECL_RPL (fdatasync, int, (int fd));
fdatasync        1041 lib/unistd.in.h _GL_CXXALIAS_RPL (fdatasync, int, (int fd));
fdatasync        1044 lib/unistd.in.h _GL_FUNCDECL_SYS (fdatasync, int, (int fd));
fdatasync        1046 lib/unistd.in.h _GL_CXXALIAS_SYS (fdatasync, int, (int fd));
fdatasync        1049 lib/unistd.in.h _GL_CXXALIASWARN (fdatasync);
fdatasync        1054 lib/unistd.in.h _GL_WARN_ON_USE (fdatasync, "fdatasync is unportable - "