joc8.cpp: In function 'int main()': joc8.cpp:14: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[20]' joc8.cpp:15: warning: comparison between signed and unsigned integer expressions joc8.cpp:35: warning: comparison between signed and unsigned integer expressions joc8.cpp:7: warning: unused variable 'joc3' joc8.cpp:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result joc8.cpp:14: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result