837 head (char const *filename, int fd, uintmax_t n_units, bool count_lines,  in head()  argument
860         return elide_tail_lines_file (filename, fd, n_units, &st, current_pos);  in head()
862         return elide_tail_bytes_file (filename, fd, n_units, &st, current_pos);  in head()
865     return head_lines (filename, fd, n_units);  in head()
867     return head_bytes (filename, fd, n_units);  in head()
871 head_file (char const *filename, uintmax_t n_units, bool count_lines,  in head_file()  argument
895   ok = head (filename, fd, n_units, count_lines, elide_from_end);  in head_file()
927   uintmax_t n_units = DEFAULT_NUMBER;  in main()  local
1016       n_units = string_to_integer (count_lines, n_string);  in main()
1039           n_units = string_to_integer (count_lines, optarg);  in main()
1047           n_units = string_to_integer (count_lines, optarg);  in main()
1077   if ( ! count_lines && elide_from_end && OFF_T_MAX < n_units)  in main()
1079       char umax_buf[INT_BUFSIZE_BOUND (n_units)];  in main()
1081              quote (umaxtostr (n_units, umax_buf)));  in main()
1091     ok &= head_file (file_list[i], n_units, count_lines, elide_from_end);  in main()