vfs_s_select_on_two  187 lib/vfs/xdirentry.h int vfs_s_select_on_two (int fd1, int fd2);
vfs_s_select_on_two 1214 src/vfs/fish/fish.c             v = vfs_s_select_on_two (VFS_FILE_HANDLER_SUPER (fh)->u.fish.sockr, 0);
vfs_s_select_on_two 2111 src/vfs/ftpfs/ftpfs.c             v = vfs_s_select_on_two (FH_SOCK, 0);