41   next (const uint8_t *text,  in next()
50     hb_codepoint_t c = *text++;  in next()
57 	if (likely (text < end &&  in next()
58 		    (t1 = text[0] - 0x80u) <= 0x3Fu))  in next()
61 	  text++;  in next()
69 	if (likely (1 < end - text &&  in next()
70 		    (t1 = text[0] - 0x80u) <= 0x3Fu &&  in next()
71 		    (t2 = text[1] - 0x80u) <= 0x3Fu))  in next()
76 	  text += 2;  in next()
84 	if (likely (2 < end - text &&  in next()
85 		    (t1 = text[0] - 0x80u) <= 0x3Fu &&  in next()
86 		    (t2 = text[1] - 0x80u) <= 0x3Fu &&  in next()
87 		    (t3 = text[2] - 0x80u) <= 0x3Fu))  in next()
92 	  text += 3;  in next()
102     return text;  in next()
106     return text;  in next()
110   prev (const uint8_t *text,  in prev()
115     const uint8_t *end = text--;  in prev()
116     while (start < text && (*text & 0xc0) == 0x80 && end - text < 4)  in prev()
117       text--;  in prev()
119     if (likely (next (text, end, unicode, replacement) == end))  in prev()
120       return text;  in prev()
127   strlen (const uint8_t *text)  in strlen()
129     return ::strlen ((const char *) text);  in strlen()
140   next (const uint16_t *text,  in next()
145     hb_codepoint_t c = *text++;  in next()
150       return text;  in next()
157       if (text < end && ((l = *text), likely (hb_in_range (l, 0xDC00u, 0xDFFFu))))  in next()
161 	 text++;  in next()
162 	 return text;  in next()
168     return text;  in next()
172   prev (const uint16_t *text,  in prev()
177     const uint16_t *end = text--;  in prev()
178     hb_codepoint_t c = *text;  in prev()
183       return text;  in prev()
186     if (likely (start < text && hb_in_range (c, 0xDC00u, 0xDFFFu)))  in prev()
187       text--;  in prev()
189     if (likely (next (text, end, unicode, replacement) == end))  in prev()
190       return text;  in prev()
198   strlen (const uint16_t *text)  in strlen()
201     while (*text++) l++;  in strlen()
213   next (const uint32_t *text,  in next()
218     hb_codepoint_t c = *text++;  in next()
222     return text;  in next()
226     return text;  in next()
230   prev (const uint32_t *text,  in prev()
235     next (text - 1, text, unicode, replacement);  in prev()
236     return text - 1;  in prev()
240   strlen (const uint32_t *text)  in strlen()
243     while (*text++) l++;  in strlen()