3 #define F(t,n) {t *y = &x.n;}
14 void(*p_endgrent)(void) = endgrent;
15 struct group*(*p_getgrent)(void) = getgrent;
16 struct group*(*p_getgrgid)(gid_t) = getgrgid;
17 int(*p_getgrgid_r)(gid_t,struct group*,char*,size_t,struct group**) = getgrgid_r;
18 struct group*(*p_getgrnam)(const char*) = getgrnam;
19 int(*p_getgrnam_r)(const char*,struct group*,char*,size_t,struct group**) = getgrnam_r;
21 void(*p_setgrent)(void) = setgrent;