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parse.c

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+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+int main(void) {
+    FILE *fp = fopen("word2vec.bin","rb");
+    struct {
+        uint32_t items;
+        uint32_t dim;
+    } hdr;
+
+    fread(&hdr,sizeof(hdr),1,fp);
+    printf("%u items of size %u\n", hdr.items, hdr.dim);
+
+    float *v = malloc(sizeof(float)*hdr.dim); // You should check for NULL.
+    for (int j = 0; j < 10; j++) {
+        uint16_t wlen;
+        fread(&wlen,sizeof(wlen),1,fp);
+        char *word = malloc(wlen+1); // Check for NULL.
+        fread(word,wlen,1,fp);
+        word[wlen] = 0; // Null term.
+        fread(v,hdr.dim*sizeof(float),1,fp);  // Read the vector of floats.
+
+        printf("\"%s\" -> %f, %f, %f, ...\n",word,v[0],v[1],v[2]);
+        free(word);
+    }
+    free(v);
+    fclose(fp);
+}

word2vec.bin

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+version https://git-lfs.github.com/spec/v1
+oid sha256:b65a88350a8e4c574a173606270c44060f46a5fa0a93281803a71c8e0b97a3f4
+size 3647258518