139     int retval;  in main()  local
152     retval = mbtowc(&wchar, first[0], MAX_BYTES);  in main()
153     if (retval == 0)  in main()
160       retval = mbtowc (&wchar, first[i-1], MAX_BYTES);  in main()
161       if (retval == i)  in main()
170       retval = mbtowc (&wchar, last[i-1], MAX_BYTES);  in main()
171       if (retval == i)  in main()
180         retval = mbtowc (&wchar, boundary[i-1], MAX_BYTES);  in main()
181         if ((i < 4 && retval == 3) || (i > 3 && retval == 4))  in main()
189     retval = mbtowc (&wchar, continuation_bytes[0], MAX_BYTES);  in main()
190     if (retval == 1)  in main()
195     retval = mbtowc (&wchar, continuation_bytes[1], MAX_BYTES);  in main()
196     if (retval == 1)  in main()
203         retval = num_invalid(continuation_bytes[i], i);  in main()
204         if (retval == -1)  in main()
207           printf("3.1.%d: %d Invalid\n", i+1, retval);  in main()
213     retval = num_invalid(all_continuation_bytes, 0xc0 - 0x80);  in main()
214     if (retval == -1)  in main()
217       printf("3.1.9: %d Invalid\n", retval);  in main()
223     retval = num_invalid(all_two_byte_seq, 0xe0 - 0xc0);  in main()
224     if (retval == -1)  in main()
227       printf("3.2.1: %d Invalid\n", retval);  in main()
232     retval = num_invalid(all_three_byte_seq, 0xf0 - 0xe0);  in main()
233     if (retval == -1)  in main()
236       printf("3.2.2: %d Invalid\n", retval);  in main()
241     retval = num_invalid(all_four_byte_seq, 0xf8 - 0xf0);  in main()
242     if (retval == -1)  in main()
245       printf("3.2.3: %d Invalid\n", retval);  in main()
250     retval = num_invalid(all_five_byte_seq, 0xfc - 0xf8);  in main()
251     if (retval == -1)  in main()
254       printf("3.2.4: %d Invalid\n", retval);  in main()
259     retval = num_invalid(all_six_byte_seq, 0xfe - 0xfc);  in main()
260     if (retval == -1)  in main()
263       printf("3.2.5: %d Invalid\n", retval);  in main()
268         retval = mbtowc(&wchar, incomplete_seq[i-1], i);  in main()
269         if(retval == -1)  in main()
277         retval = mbtowc(&wchar, incomplete_seq[i-1], i - 5);  in main()
278         if(retval == -1)  in main()
289     retval = mbtowc(&wchar, impossible_bytes[0], 1);  in main()
290     if(retval == -1)  in main()
295     retval = mbtowc(&wchar, impossible_bytes[1], 1);  in main()
296     if(retval == -1)  in main()
301     retval = mbtowc(&wchar, impossible_bytes[2], 4);  in main()
302     if(retval == -1)  in main()
311         retval = mbtowc(&wchar, overlong[i-2], i);  in main()
312         if(retval == -1)  in main()
321         retval = mbtowc(&wchar, overlong_max[i-2], i);  in main()
322         if(retval == -1)  in main()
331         retval = mbtowc(&wchar, overlong_nul[i-2], i);  in main()
332         if(retval == -1)  in main()
342         retval = mbtowc(&wchar, single_surrogates[i-1], 3);  in main()
343         if(retval == -1)  in main()
352         retval = mbtowc(&wchar, paired_surrogates[i-1], 6);  in main()
353         if(retval == -1)  in main()
360     retval = mbtowc(&wchar, illegal_pos[0], 3);  in main()
361     if(retval == -1)  in main()
366     retval = mbtowc(&wchar, illegal_pos[1], 3);  in main()
367     if(retval == -1)  in main()
380   int retval = 0;  in num_invalid()  local
390       retval = mbtowc (&wchar, t, len - i);  in num_invalid()
391       if(retval == -1)  in num_invalid()