1>entry.obj : error LNK2001: unresolved external symbol exit
1>entry.obj : error LNK2001: unresolved external symbol ftell
1>entry.obj : error LNK2001: unresolved external symbol fopen
1>entry.obj : error LNK2001: unresolved external symbol __acrt_iob_func
1>entry.obj : error LNK2001: unresolved external symbol fclose
1>entry.obj : error LNK2001: unresolved external symbol fseek
1>entry.obj : error LNK2001: unresolved external symbol __stdio_common_vfprintf
1>entry.obj : error LNK2001: unresolved external symbol qsort
1>entry.obj : error LNK2001: unresolved external symbol __stdio_common_vsprintf
1>entry.obj : error LNK2001: unresolved external symbol free
1>entry.obj : error LNK2001: unresolved external symbol fread
1>entry.obj : error LNK2001: unresolved external symbol _wassert
1>entry.obj : error LNK2001: unresolved external symbol malloc

note: this is only when i compile with visual studio rather than build.bat