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22 | <a href="./Home">MLton 20180207</a>\r | |
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24 | </div>\r | |
25 | <div id="header">\r | |
26 | <h1>ForeignFunctionInterfaceTypes</h1>\r | |
27 | </div>\r | |
28 | <div id="content">\r | |
29 | <div id="preamble">\r | |
30 | <div class="sectionbody">\r | |
31 | <div class="paragraph"><p>MLton’s <a href="ForeignFunctionInterface">ForeignFunctionInterface</a> only allows values of certain SML\r | |
32 | types to be passed between SML and C. The following types are\r | |
33 | allowed: <span class="monospaced">bool</span>, <span class="monospaced">char</span>, <span class="monospaced">int</span>, <span class="monospaced">real</span>, <span class="monospaced">word</span>. All of the different\r | |
34 | sizes of (fixed-sized) integers, reals, and words are supported as\r | |
35 | well: <span class="monospaced">Int8.int</span>, <span class="monospaced">Int16.int</span>, <span class="monospaced">Int32.int</span>, <span class="monospaced">Int64.int</span>,\r | |
36 | <span class="monospaced">Real32.real</span>, <span class="monospaced">Real64.real</span>, <span class="monospaced">Word8.word</span>, <span class="monospaced">Word16.word</span>,\r | |
37 | <span class="monospaced">Word32.word</span>, <span class="monospaced">Word64.word</span>. There is a special type,\r | |
38 | <span class="monospaced">MLton.Pointer.t</span>, for passing C pointers — see <a href="MLtonPointer">MLtonPointer</a> for\r | |
39 | details.</p></div>\r | |
40 | <div class="paragraph"><p>Arrays, refs, and vectors of the above types are also allowed.\r | |
41 | Because in MLton monomorphic arrays and vectors are exactly the same\r | |
42 | as their polymorphic counterpart, these are also allowed. Hence,\r | |
43 | <span class="monospaced">string</span>, <span class="monospaced">char vector</span>, and <span class="monospaced">CharVector.vector</span> are also allowed.\r | |
44 | Strings are not null terminated, unless you manually do so from the\r | |
45 | SML side.</p></div>\r | |
46 | <div class="paragraph"><p>Unfortunately, passing tuples or datatypes is not allowed because that\r | |
47 | would interfere with representation optimizations.</p></div>\r | |
48 | <div class="paragraph"><p>The C header file that <span class="monospaced">-export-header</span> generates includes\r | |
49 | <span class="monospaced">typedef</span>s for the C types corresponding to the SML types. Here is\r | |
50 | the mapping between SML types and C types.</p></div>\r | |
51 | <table class="tableblock frame-all grid-all"\r | |
52 | style="\r | |
53 | width:100%;\r | |
54 | ">\r | |
55 | <col style="width:25%;">\r | |
56 | <col style="width:25%;">\r | |
57 | <col style="width:25%;">\r | |
58 | <col style="width:25%;">\r | |
59 | <thead>\r | |
60 | <tr>\r | |
61 | <th class="tableblock halign-left valign-top" > SML type </th>\r | |
62 | <th class="tableblock halign-left valign-top" > C typedef </th>\r | |
63 | <th class="tableblock halign-left valign-top" > C type </th>\r | |
64 | <th class="tableblock halign-left valign-top" > Note</th>\r | |
65 | </tr>\r | |
66 | </thead>\r | |
67 | <tbody>\r | |
68 | <tr>\r | |
69 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">array</span></p></td>\r | |
70 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Pointer</span></p></td>\r | |
71 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned char *</span></p></td>\r | |
72 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
73 | </tr>\r | |
74 | <tr>\r | |
75 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">bool</span></p></td>\r | |
76 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Bool</span></p></td>\r | |
77 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">int32_t</span></p></td>\r | |
78 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
79 | </tr>\r | |
80 | <tr>\r | |
81 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">char</span></p></td>\r | |
82 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Char8</span></p></td>\r | |
83 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">uint8_t</span></p></td>\r | |
84 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
85 | </tr>\r | |
86 | <tr>\r | |
87 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Int8.int</span></p></td>\r | |
88 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Int8</span></p></td>\r | |
89 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">int8_t</span></p></td>\r | |
90 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
91 | </tr>\r | |
92 | <tr>\r | |
93 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Int16.int</span></p></td>\r | |
94 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Int16</span></p></td>\r | |
95 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">int16_t</span></p></td>\r | |
96 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
97 | </tr>\r | |
98 | <tr>\r | |
99 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Int32.int</span></p></td>\r | |
100 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Int32</span></p></td>\r | |
101 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">int32_t</span></p></td>\r | |
102 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
103 | </tr>\r | |
104 | <tr>\r | |
105 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Int64.int</span></p></td>\r | |
106 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Int64</span></p></td>\r | |
107 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">int64_t</span></p></td>\r | |
108 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
109 | </tr>\r | |
110 | <tr>\r | |
111 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">int</span></p></td>\r | |
112 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Int32</span></p></td>\r | |
113 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">int32_t</span></p></td>\r | |
114 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><a href="ForeignFunctionInterfaceTypes#Default">(default)</a></p></td>\r | |
115 | </tr>\r | |
116 | <tr>\r | |
117 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">MLton.Pointer.t</span></p></td>\r | |
118 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Pointer</span></p></td>\r | |
119 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned char *</span></p></td>\r | |
120 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
121 | </tr>\r | |
122 | <tr>\r | |
123 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Real32.real</span></p></td>\r | |
124 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Real32</span></p></td>\r | |
125 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">float</span></p></td>\r | |
126 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
127 | </tr>\r | |
128 | <tr>\r | |
129 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Real64.real</span></p></td>\r | |
130 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Real64</span></p></td>\r | |
131 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">double</span></p></td>\r | |
132 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
133 | </tr>\r | |
134 | <tr>\r | |
135 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">real</span></p></td>\r | |
136 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Real64</span></p></td>\r | |
137 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">double</span></p></td>\r | |
138 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><a href="ForeignFunctionInterfaceTypes#Default">(default)</a></p></td>\r | |
139 | </tr>\r | |
140 | <tr>\r | |
141 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">ref</span></p></td>\r | |
142 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Pointer</span></p></td>\r | |
143 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned char *</span></p></td>\r | |
144 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
145 | </tr>\r | |
146 | <tr>\r | |
147 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">string</span></p></td>\r | |
148 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Pointer</span></p></td>\r | |
149 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned char *</span></p></td>\r | |
150 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><a href="ForeignFunctionInterfaceTypes#ReadOnly">(read only)</a></p></td>\r | |
151 | </tr>\r | |
152 | <tr>\r | |
153 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">vector</span></p></td>\r | |
154 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Pointer</span></p></td>\r | |
155 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned char *</span></p></td>\r | |
156 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><a href="ForeignFunctionInterfaceTypes#ReadOnly">(read only)</a></p></td>\r | |
157 | </tr>\r | |
158 | <tr>\r | |
159 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Word8.word</span></p></td>\r | |
160 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Word8</span></p></td>\r | |
161 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">uint8_t</span></p></td>\r | |
162 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
163 | </tr>\r | |
164 | <tr>\r | |
165 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Word16.word</span></p></td>\r | |
166 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Word16</span></p></td>\r | |
167 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">uint16_t</span></p></td>\r | |
168 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
169 | </tr>\r | |
170 | <tr>\r | |
171 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Word32.word</span></p></td>\r | |
172 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Word32</span></p></td>\r | |
173 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">uint32_t</span></p></td>\r | |
174 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
175 | </tr>\r | |
176 | <tr>\r | |
177 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Word64.word</span></p></td>\r | |
178 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Word64</span></p></td>\r | |
179 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">uint64_t</span></p></td>\r | |
180 | <td class="tableblock halign-left valign-top" ><p class="tableblock"></p></td>\r | |
181 | </tr>\r | |
182 | <tr>\r | |
183 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">word</span></p></td>\r | |
184 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">Word32</span></p></td>\r | |
185 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">uint32_t</span></p></td>\r | |
186 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><a href="ForeignFunctionInterfaceTypes#Default">(default)</a></p></td>\r | |
187 | </tr>\r | |
188 | </tbody>\r | |
189 | </table>\r | |
190 | <div class="paragraph"><p><a id="Default"></a>Note (default): The default <span class="monospaced">int</span>, <span class="monospaced">real</span>, and\r | |
191 | <span class="monospaced">word</span> types may be set by the <span class="monospaced">-default-type <em>type</em></span>\r | |
192 | <a href="CompileTimeOptions"> compiler option</a>. The given C typedef and C\r | |
193 | types correspond to the default behavior.</p></div>\r | |
194 | <div class="paragraph"><p><a id="ReadOnly"></a>Note (read only): Because MLton assumes that\r | |
195 | vectors and strings are read-only (and will perform optimizations\r | |
196 | that, for instance, cause them to share space), you must not modify\r | |
197 | the data pointed to by the <span class="monospaced">unsigned char *</span> in C code.</p></div>\r | |
198 | <div class="paragraph"><p>Although the C type of an array, ref, or vector is always <span class="monospaced">Pointer</span>,\r | |
199 | in reality, the object has the natural C representation. Your C code\r | |
200 | should cast to the appropriate C type if you want to keep the C\r | |
201 | compiler from complaining.</p></div>\r | |
202 | <div class="paragraph"><p>When calling an <a href="CallingFromSMLToC"> imported C function from SML</a>\r | |
203 | that returns an array, ref, or vector result or when calling an\r | |
204 | <a href="CallingFromCToSML"> exported SML function from C</a> that takes an\r | |
205 | array, ref, or string argument, then the object must be an ML object\r | |
206 | allocated on the ML heap. (Although an array, ref, or vector object\r | |
207 | has the natural C representation, the object also has an additional\r | |
208 | header used by the SML runtime system.)</p></div>\r | |
209 | <div class="paragraph"><p>In addition, there is an <a href="MLBasis">MLBasis</a> file, <span class="monospaced">$(SML_LIB)/basis/c-types.mlb</span>,\r | |
210 | which provides structure aliases for various C types:</p></div>\r | |
211 | <table class="tableblock frame-all grid-all"\r | |
212 | style="\r | |
213 | width:100%;\r | |
214 | ">\r | |
215 | <col style="width:33%;">\r | |
216 | <col style="width:33%;">\r | |
217 | <col style="width:33%;">\r | |
218 | <tbody>\r | |
219 | <tr>\r | |
220 | <td class="tableblock halign-left valign-top" ><p class="tableblock">C type</p></td>\r | |
221 | <td class="tableblock halign-left valign-top" ><p class="tableblock">Structure</p></td>\r | |
222 | <td class="tableblock halign-left valign-top" ><p class="tableblock">Signature</p></td>\r | |
223 | </tr>\r | |
224 | <tr>\r | |
225 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">char</span></p></td>\r | |
226 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Char</span></p></td>\r | |
227 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
228 | </tr>\r | |
229 | <tr>\r | |
230 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">signed char</span></p></td>\r | |
231 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_SChar</span></p></td>\r | |
232 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
233 | </tr>\r | |
234 | <tr>\r | |
235 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned char</span></p></td>\r | |
236 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_UChar</span></p></td>\r | |
237 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">WORD</span></p></td>\r | |
238 | </tr>\r | |
239 | <tr>\r | |
240 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">short</span></p></td>\r | |
241 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Short</span></p></td>\r | |
242 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
243 | </tr>\r | |
244 | <tr>\r | |
245 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">signed short</span></p></td>\r | |
246 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_SShort</span></p></td>\r | |
247 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
248 | </tr>\r | |
249 | <tr>\r | |
250 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned short</span></p></td>\r | |
251 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_UShort</span></p></td>\r | |
252 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">WORD</span></p></td>\r | |
253 | </tr>\r | |
254 | <tr>\r | |
255 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">int</span></p></td>\r | |
256 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Int</span></p></td>\r | |
257 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
258 | </tr>\r | |
259 | <tr>\r | |
260 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">signed int</span></p></td>\r | |
261 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_SInt</span></p></td>\r | |
262 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
263 | </tr>\r | |
264 | <tr>\r | |
265 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned int</span></p></td>\r | |
266 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_UInt</span></p></td>\r | |
267 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">WORD</span></p></td>\r | |
268 | </tr>\r | |
269 | <tr>\r | |
270 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">long</span></p></td>\r | |
271 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Long</span></p></td>\r | |
272 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
273 | </tr>\r | |
274 | <tr>\r | |
275 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">signed long</span></p></td>\r | |
276 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_SLong</span></p></td>\r | |
277 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
278 | </tr>\r | |
279 | <tr>\r | |
280 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned long</span></p></td>\r | |
281 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_ULong</span></p></td>\r | |
282 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">WORD</span></p></td>\r | |
283 | </tr>\r | |
284 | <tr>\r | |
285 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">long long</span></p></td>\r | |
286 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_LongLong</span></p></td>\r | |
287 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
288 | </tr>\r | |
289 | <tr>\r | |
290 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">signed long long</span></p></td>\r | |
291 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_SLongLong</span></p></td>\r | |
292 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
293 | </tr>\r | |
294 | <tr>\r | |
295 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">unsigned long long</span></p></td>\r | |
296 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_ULongLong</span></p></td>\r | |
297 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">WORD</span></p></td>\r | |
298 | </tr>\r | |
299 | <tr>\r | |
300 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">float</span></p></td>\r | |
301 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Float</span></p></td>\r | |
302 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">REAL</span></p></td>\r | |
303 | </tr>\r | |
304 | <tr>\r | |
305 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">double</span></p></td>\r | |
306 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Double</span></p></td>\r | |
307 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">REAL</span></p></td>\r | |
308 | </tr>\r | |
309 | <tr>\r | |
310 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">size_t</span></p></td>\r | |
311 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Size</span></p></td>\r | |
312 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">WORD</span></p></td>\r | |
313 | </tr>\r | |
314 | <tr>\r | |
315 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">ptrdiff_t</span></p></td>\r | |
316 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Ptrdiff</span></p></td>\r | |
317 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
318 | </tr>\r | |
319 | <tr>\r | |
320 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">intmax_t</span></p></td>\r | |
321 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Intmax</span></p></td>\r | |
322 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
323 | </tr>\r | |
324 | <tr>\r | |
325 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">uintmax_t</span></p></td>\r | |
326 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_UIntmax</span></p></td>\r | |
327 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">WORD</span></p></td>\r | |
328 | </tr>\r | |
329 | <tr>\r | |
330 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">intptr_t</span></p></td>\r | |
331 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Intptr</span></p></td>\r | |
332 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">INTEGER</span></p></td>\r | |
333 | </tr>\r | |
334 | <tr>\r | |
335 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">uintptr_t</span></p></td>\r | |
336 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_UIntptr</span></p></td>\r | |
337 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">WORD</span></p></td>\r | |
338 | </tr>\r | |
339 | <tr>\r | |
340 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">void *</span></p></td>\r | |
341 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">C_Pointer</span></p></td>\r | |
342 | <td class="tableblock halign-left valign-top" ><p class="tableblock"><span class="monospaced">WORD</span></p></td>\r | |
343 | </tr>\r | |
344 | </tbody>\r | |
345 | </table>\r | |
346 | <div class="paragraph"><p>These aliases depend on the configuration of the C compiler for the\r | |
347 | target architecture, and are independent of the configuration of MLton\r | |
348 | (including the <span class="monospaced">-default-type <em>type</em></span>\r | |
349 | <a href="CompileTimeOptions"> compiler option</a>).</p></div>\r | |
350 | </div>\r | |
351 | </div>\r | |
352 | </div>\r | |
353 | <div id="footnotes"><hr></div>\r | |
354 | <div id="footer">\r | |
355 | <div id="footer-text">\r | |
356 | </div>\r | |
357 | <div id="footer-badges">\r | |
358 | </div>\r | |
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360 | </body>\r | |
361 | </html>\r |