View Compilation Error

534522_0_0_19805.c
534522_0_0_19805.c(4) : error C2065: “undigned” : 未声明的标识符
534522_0_0_19805.c(4) : error C2143: 语法错误 : 缺少“;”(在“类型”的前面)
534522_0_0_19805.c(5) : error C2065: “n” : 未声明的标识符
534522_0_0_19805.c(5) : error C2065: “eof” : 未声明的标识符
534522_0_0_19805.c(7) : error C2143: 语法错误 : 缺少“)”(在“;”的前面)