p_gecos
int p_gecos(char *, struct passwd *, ENTRY *);
{ "full name", p_gecos, 1, 9, ":,", NULL },
{ "full name", p_gecos, 0, 9, ":,", NULL },
{ "office phone", p_gecos, 0, 12, ":,", NULL },
{ "home phone", p_gecos, 0, 10, ":,", NULL },
{ "office location", p_gecos, 0, 15, ":,", NULL },
{ "other information", p_gecos, 0, 11, ": ", NULL },