0_0_15426454_16421.c 0_0_15426454_16421.c(3) : error C2059: 语法错误:“while” 0_0_15426454_16421.c(22) : error C2059: 语法错误:“return” 0_0_15426454_16421.c(23) : error C2059: 语法错误:“}”