primary-expression error

Code: 1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <string.h> 4 #include <sys/ioctl.h> 5 #include <sys/time.h> 6 7 #define BS (32*1024) 8 char buf0[BS]; 9 char buf1[BS]; 10 11 #define SWAP64(p) ( (*(unsigned __int64*)(p)) = _byteswap_uint64(*(unsigned __int64*)(p)) ) 12 13 int main(void) 14 { 15 int i,j; 16 FILE *ff = fopen("testFdd.dat","rb"); 17 long pos0=0, pos1; 18 19 long max_k = 15; 20 21 while(1) 22 { 23 memset(buf1,0,BS); 24 pos1 = ftell(ff); 25 if( fread(buf1,BS,1,ff) != 1 ) break; 26 for(i=0 ; i<BS-4 ; i++ ) 27 { 28 if( memcmp(buf1+i,"/fdd",4)==0 ) 29 { 30 break; 31 } 32 } 33 if( i>=BS-4 ) continue; // didn't find 34 35 pos1 = pos1+i-0x40; 36 fseek(ff,pos1,SEEK_SET); 37 fread(buf1,1,BS,ff); 38 fseek(ff,pos1+0x41,SEEK_SET); 39 40 SWAP64(buf1); 41 SWAP64(buf1+0x18); 42 printf("%07x: %-7.7s %30s %lg %lg\n",pos1,buf1+8, buf1+0x20, *(double*)(buf1),* (double*)(buf1+0x18)); 43 int n = pos1-pos0; 44 if( n>BS ) n=BS; 45 if( pos0!=0 && max_k-- > 0 ) 46 { 47 printf("\n"); 48 for( i=256+64 ; i<n ; i+=8 ) 49 { 50 if( memcmp(buf0+i,buf1+i,8)!=0 ) 51 { 52 SWAP64(buf1+i); 53 printf("\t+%04x: %+21.15le -> %+21.15le (%+16lg)\n",i, *(double*)(buf0+i),*(double*)(buf1+i),*(double*)(buf1+i)-*(double*)(buf0+i)); 54 } 55 } 56 printf("\n"); 57 } 58 59 pos0 = pos1; 60 memmove(buf0,buf1,n); 61 } 62 } I'm trying to compile the above code, but i get error: expected primary-expression before ‘unsigned’ What is wrong with it? does anybody know? Thanks

Did you accidentally posted this on the wrong board (this is C; not C++)?