连接程序时,出现了如下错误: /usr/bin/gcc -o read_pf_out331 read_pf_out.o add_data.o hash_data.o is_it_vms.o -L/cygdrive/d/shr/ipf-3.31/ipf -L/cygdrive/d/shr/ipf-3.31/ipc -lipf -lipc -lg2c -lm /usr/lib/gcc/i686-pc-cygwin/4.5.3/libcygwin.a(libcmain.o): In function `main': /usr/src/debug/cygwin-1.7.17-1/winsup/cygwin/lib/libcmain.c:39: undefined reference to `_winmain@16' 这五个文件(标红的部分...