View Compilation Error

0_0_39290935_9036.cpp: In function 'void cut(char*)':
0_0_39290935_9036.cpp:10:21: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
   10 |         if(strchr(a,".")) {
      |                     ^~~
      |                     |
      |                     const char*
In file included from 0_0_39290935_9036.cpp:3:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/cstring:106:25: note:   initializing argument 2 of 'char* std::strchr(char*, int)'
  106 |   strchr(char* __s, int __n)
      |                     ~~~~^~~