请大虾解释一下

paapa

[lfh@localhost q000]$ gcc -o win win.c
win.c:10: parse error before "win"
win.c:10: warning: data definition has no type or storage class
win.c: In function `setUpGCs':
win.c:30: warning: assignment makes pointer from integer without a cast

applepie

把源代码贴出来