0_0_29147618_28132.c 0_0_29147618_28132.c(5) : error C2059: 语法错误:“while” 0_0_29147618_28132.c(11) : error C2059: 语法错误:“return” 0_0_29147618_28132.c(11) : error C2059: 语法错误:“}”