Login/Registration System with php and mysql

i'm trying to créât a member area to login in a web site but i have a difficulty in php code but the real problem is in my db so i don't know where is the problem

( ! ) SCREAM: Error suppression ignored for
( ! ) Deprecated: mysql_escape_string(): This function is deprecated; use mysql_real_escape_string() instead. in C:\wamp\www\EM\inscription.php on line 15
Call Stack
#   Time    Memory  Function    Location
1   0.0016  267504  {main}( )   ..\inscription.php:0
2   0.0081  275440  mysql_escape_string ( ) ..\inscription.php:15
Erreur SQL !
SELECT login(*) FROM membre WHERE login="Nassim Hasnaoui"
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '*) FROM membre WHERE login="Nassim Hasnaoui"' at line 1