config.eE9KQZ/atmtest.c:1:10: fatal error: 'atm.h' file not found #include ^~~~~~~ config.eE9KQZ/dbtest.c:3:10: fatal error: 'db_185.h' file not found #include ^~~~~~~~~~ config.eE9KQZ/strtest.c:4:2: error: call to undeclared library function 'strlcpy' with type 'unsigned long (char *, const char *, unsigned long)'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] strlcpy(dst, "test", sizeof(dst)); ^ config.eE9KQZ/strtest.c:4:2: note: include the header or explicitly provide a declaration for 'strlcpy'