| 193 | }; |
| 194 | |
| 195 | static const te_variable *find_builtin(const char *name, int len) { |
| 196 | int imin = 0; |
| 197 | int imax = sizeof(functions) / sizeof(te_variable) - 2; |
| 198 | |
| 199 | /*Binary search.*/ |
| 200 | while (imax >= imin) { |
| 201 | const int i = (imin + ((imax-imin)/2)); |
| 202 | int c = strncmp(name, functions[i].name, len); |
| 203 | if (!c) c = '\0' - functions[i].name[len]; |
| 204 | if (c == 0) { |
| 205 | return functions + i; |
| 206 | } else if (c > 0) { |
| 207 | imin = i + 1; |
| 208 | } else { |
| 209 | imax = i - 1; |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | return 0; |
| 214 | } |
| 215 | |
| 216 | static const te_variable *find_lookup(const state *s, const char *name, int len) { |
| 217 | int iters; |