+ }
+
+ got = 0;
+ switch (c) {
+ case 'a':
+ value = '\a';
+ break;
+ case 'b':
+ value = '\b';
+ break;
+ case 'f':
+ value = '\f';
+ break;
+ case 'n':
+ value = '\n';
+ break;
+ case 'r':
+ value = '\r';
+ break;
+ case 's':
+ value = ' ';
+ break;
+ case 't':
+ value = '\t';
+ break;
+
+ default:
+ if (isoctal(c)) {
+ /*
+ * \ddd octal sequence
+ */
+ value = 0;
+ for (n = 0; n < 3 && isoctal(c); ++n) {
+ value = (value << 3) + (c & 07);
+ c = getc(f);
+ }
+ got = 1;
+ break;
+ }
+
+ if (c == 'x') {
+ /*
+ * \x<hex_string> sequence
+ */
+ value = 0;
+ c = getc(f);
+ for (n = 0; n < 2 && isxdigit(c); ++n) {
+ digit = toupper(c) - '0';
+ if (digit > 10)
+ digit += '0' + 10 - 'A';
+ value = (value << 4) + digit;
+ c = getc (f);
+ }
+ got = 1;
+ break;
+ }
+
+ /*
+ * Otherwise the character stands for itself.
+ */
+ value = c;
+ break;
+ }
+
+ /*
+ * Store the resulting character for the escape sequence.
+ */
+ if (len < MAXWORDLEN-1)
+ word[len] = value;
+ ++len;
+
+ if (!got)
+ c = getc(f);
+ continue;
+