| 100 | static int db_look_char = 0; |
| 101 | |
| 102 | static int |
| 103 | db_read_char(void) |
| 104 | { |
| 105 | int c; |
| 106 | |
| 107 | if (db_look_char != 0) { |
| 108 | c = db_look_char; |
| 109 | db_look_char = 0; |
| 110 | } |
| 111 | else if (db_lp >= db_endlp) |
| 112 | c = -1; |
| 113 | else |
| 114 | c = *db_lp++; |
| 115 | return (c); |
| 116 | } |
| 117 | |
| 118 | static void |
| 119 | db_unread_char(c) |