0_0_30714815_23299.c 0_0_30714815_23299.c(16) : error C2146: 语法错误: 缺少“)”(在标识符“!”的前面) 0_0_30714815_23299.c(16) : error C2065: “!”: 未声明的标识符 0_0_30714815_23299.c(16) : error C2059: 语法错误:“)” 0_0_30714815_23299.c(16) : error C2143: 语法错误 : 缺少“;”(在“{”的前面)