/in/database.c: In function 'main':
/in/database.c:72:27: warning: unused variable 'op2' [-Wunused-variable]
             char op1[10], op2[10], en1[10], en2[10], cse[15], nme[15], header[15], fld[15], after[15];
                           ^~~
/in/database.c: In function 'list':
/in/database.c:250:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int idx = 0; idx < strlen(temp[i]); idx++)
                                   ^
/in/database.c: In function 'Auto':
/in/database.c:833:54: warning: unused variable 'en' [-Wunused-variable]
             char head[15], cse[15], nme[15], op[10], en[10];
                                                      ^~
/in/database.c:833:46: warning: unused variable 'op' [-Wunused-variable]
             char head[15], cse[15], nme[15], op[10], en[10];
                                              ^~
/in/database.c:842:65: warning: unused variable 'LIMIT' [-Wunused-variable]
             char head[15], cse[15], nme[15], SORT[10], dnd[15], LIMIT[10];
                                                                 ^~~~~
/in/database.c:842:46: warning: unused variable 'SORT' [-Wunused-variable]
             char head[15], cse[15], nme[15], SORT[10], dnd[15], LIMIT[10];
                                              ^~~~