40 	assert(*cu & 0x80);  in preconv_encode()
51 		accum = *cu & 0x1f;  in preconv_encode()
52 		if (accum < 0x02)  /* Obfuscated ASCII. */  in preconv_encode()
56 		accum = *cu & 0x0f;  in preconv_encode()
59 		accum = *cu & 0x07;  in preconv_encode()
60 		if (accum > 0x04) /* Beyond Unicode. */  in preconv_encode()
70 		if ((accum == 0x00 && ! (*cu & 0x20)) ||  /* Use 2-byte. */  in preconv_encode()
71 		    (accum == 0x0d && *cu & 0x20))  /* Surrogates. */  in preconv_encode()
75 		if ((accum == 0x00 && ! (*cu & 0x30)) ||  /* Use 3-byte. */  in preconv_encode()
76 		    (accum == 0x04 && *cu & 0x30))  /* Beyond Unicode. */  in preconv_encode()
84 		if ((*cu & 0xc0) != 0x80)  /* Invalid continuation. */  in preconv_encode()
87 		accum += *cu & 0x3f;  in preconv_encode()
91 	assert(accum > 0x7f);  in preconv_encode()
92 	assert(accum < 0x110000);  in preconv_encode()
93 	assert(accum < 0xd800 || accum > 0xdfff);  in preconv_encode()
102 		return 0;  in preconv_encode()
136 	while (sz > 0) {  in preconv_cue()
137 		while (sz > 0 && ' ' == *ln) {  in preconv_cue()
141 		if (0 == sz)  in preconv_cue()
163 		while (sz > 0 && ' ' == *ln) {  in preconv_cue()
167 		if (0 == sz)  in preconv_cue()
168 			return 0;  in preconv_cue()
176 		return 0;  in preconv_cue()