foo.c: In function ‘main’:
foo.c:12:25: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘char * (*)[20]’ [-Wformat=]
   12 |                 scanf("%s %d %d %c %c %d",&xingming,&qimo,&banji,&ganbu,&xibu,&lunwen);
      |                        ~^                 ~~~~~~~~~
      |                         |                 |
      |                         char *            char * (*)[20]
foo.c:18:33: error: invalid suffix ‘；’ on integer constant
   18 |                         singal+=2000；}
      |                                 ^~~~~~
foo.c:18:39: error: expected ‘;’ before ‘}’ token
   18 |                         singal+=2000；}
      |                                       ^
      |                                       ;
foo.c:25:27: error: assignment to expression with array type
   25 |                         p1=xingming;
      |                           ^