C:\mysql-5.0.3-alpha\innobase\page\page0page.c(1766) : warning C4018: '==' : signed/unsigned mismatch

C:\mysql-5.0.3-alpha\innobase\rem\rem0rec.c(623) : warning C4244: '=' : conversion from 'unsigned long ' to 'unsigned char ', possible loss of data
C:\mysql-5.0.3-alpha\innobase\rem\rem0rec.c(938) : warning C4244: '=' : conversion from 'unsigned long ' to 'unsigned char ', possible loss of data
C:\mysql-5.0.3-alpha\innobase\rem\rem0rec.c(943) : warning C4244: '=' : conversion from 'unsigned long ' to 'unsigned char ', possible loss of data
C:\mysql-5.0.3-alpha\innobase\rem\rem0rec.c(944) : warning C4244: '=' : conversion from 'unsigned long ' to 'unsigned char ', possible loss of data

C:\mysql-5.0.3-alpha\innobase\srv\srv0srv.c(1504) : warning C4244: '=' : conversion from '__int64 ' to 'unsigned long ', possible loss of data
C:\mysql-5.0.3-alpha\innobase\srv\srv0srv.c(1804) : warning C4244: '=' : conversion from '__int64 ' to 'unsigned long ', possible loss of data
C:\mysql-5.0.3-alpha\innobase\sync\sync0sync.c(538) : warning C4244: '=' : conversion from '__int64 ' to 'unsigned long ', possible loss of data

innodb.lib - 0 error(s), 8 warning(s)