-/* Learn from "file" the largest line length (pointed to by "linemax_p"; length
- * includes newline chars) and (pointed to by "n_lines_p" if it is not set to
- * NULL) the number of lines (= number of newline chars).
- *
- * Returns 0 on success, 1 on error of fseek() (called to return to initial file
- * reading position).
- */
-extern uint8_t textfile_sizes(FILE * file, uint16_t * linemax_p,
- uint16_t * n_lines_p);
-
-
-
-/* Update game log by appending "text", or by appending a "." if "text" is the
- * same as the last one passed.
+/* Return 16-bit number pseudo-randomly generated via Linear Congruential
+ * Generator algorithm with some proven constants. Use instead of rand() to
+ * ensure portability of the same pseudo-randomness across systems.