my_gets
char *my_gets(el_mode_t *, const char *, char *);
line = my_gets(&elm.command, prompt, NULL);
line = my_gets(em, prompt, __UNCONST(str));
fname = my_gets(&elm.filec, prompt, pathname);
p = my_gets(&elm.string, p, NULL);
line = my_gets(&elm.string, pr, src);