#define NOARGC  /* no arg count passing */›#define FIXARGC /* don't expect arg counts passed in */›/*›** return <0,   0,  >0 aUording to›**       s<t, s=t, s>t›*/›strcmp(s, t) ›char *s, *t; ›$(›  while(*s == *t) ›    $(›    if(*s == 0) return (0);›    ++s; ++t;›    $)›  return (*s - *t);›$)››