src.c: In function 'main':
src.c:4:1: error: stray '\302' in program
    char c;
^
src.c:4:1: error: stray '\240' in program
src.c:4:1: error: stray '\302' in program
src.c:4:1: error: stray '\240' in program
src.c:5:1: error: stray '\302' in program
    int letters=0,spaces=0,digits=0,others=0;
^
src.c:5:1: error: stray '\240' in program
src.c:5:1: error: stray '\302' in program
src.c:5:1: error: stray '\240' in program
src.c:6:1: error: stray '\302' in program
    printf("请输入一串任意的字符：\n");
^
src.c:6:1: error: stray '\240' in program
src.c:6:1: error: stray '\302' in program
src.c:6:1: error: stray '\240' in program
src.c:7:1: error: stray '\302' in program
    while((c=getchar())!='\n')
^
src.c:7:1: error: stray '\240' in program
src.c:7:1: error: stray '\302' in program
src.c:7:1: error: stray '\240' in program
src.c:8:1: error: stray '\302' in program
    {
^
src.c:8:1: error: stray '\240' in program
src.c:8:1: error: stray '\302' in program
src.c:8:1: error: stray '\240' in program
src.c:9:1: error: stray '\302' in program
        if((c>='a'