0_0_5347706_4580.c 0_0_5347706_4580.c(4) : error C2371: "qsort" : ???;?????? VC\include\stdlib.h(301) : ??"qsort"??? 0_0_5347706_4580.c(26) : error C2198: "qsort" : ???????????????? 0_0_5347706_4580.c(26) : error C2120: ??????"void"??