236   sqlite3_uint64 nAlloc;  /* Bytes allocated to z[] */  member
248   if( p->n + n >= p->nAlloc ){  in StrAppend()
252     nNew = p->nAlloc*2 + 100 + n;  in StrAppend()
261     p->nAlloc = nNew;  in StrAppend()
289   sqlite3_int64 nAlloc;  /* Number of bytes allocated for z[] */  member
302     if( (sqlite3_int64)sz+p->nUsed+p->szSep+1 > p->nAlloc ){  in callback()
304       p->nAlloc = p->nAlloc*2 + sz + p->szSep + 1;  in callback()
308       zNew = p->nAlloc<=0x7fffffff ? sqlite3_realloc(p->z, (int)p->nAlloc) : 0;  in callback()
791   int nAlloc = 0;               /* Number of bytes allocated for zIn[] */  in main()  local
979   nAlloc = 1000;  in main()
980   zIn = malloc(nAlloc);  in main()
1002       got = fread(zIn+nIn, 1, nAlloc-nIn-1, in);   in main()
1006       if( nAlloc - nIn - 1 < 100 ){  in main()
1007         nAlloc += nAlloc+1000;  in main()
1008         zIn = realloc(zIn, nAlloc);  in main()