您好，我在用ccsv4编译g.726测试代码时出现了错误
errors encountered during linking; "g.726.out" not built
Linking failed. Check the Console window for details.
unresolved symbol __remu, first referenced in ./main.obj
unresolved symbol _exit, first referenced in ./main.obj
unresolved symbol _fclose, first referenced in ./main.obj
unresolved symbol _feof, first referenced in ./main.obj
unresolved symbol _fopen, first referenced in ./main.obj
unresolved symbol _fprintf, first referenced in ./main.obj
unresolved symbol _free, first referenced in ./main.obj
unresolved symbol _fscanf, first referenced in ./main.obj
unresolved symbol _malloc, first referenced in ./main.obj
unresolved symbol _printf, first referenced in ./main.obj
