View Compilation Error

125368_0_21459.c:4:20: windows.h: No such file or directory
125368_0_21459.c: In function `main':
125368_0_21459.c:13: error: `DWORD' undeclared (first use in this function)
125368_0_21459.c:13: error: (Each undeclared identifier is reported only once
125368_0_21459.c:13: error: for each function it appears in.)
125368_0_21459.c:13: error: syntax error before "t1"
125368_0_21459.c:18: error: syntax error before '/' token
125368_0_21459.c:20: error: syntax error before '/' token
125368_0_21459.c:21: error: syntax error before ')' token
125368_0_21459.c:24: error: syntax error before '/' token