/in/database.c: In function 'strfind':
/in/database.c:8:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<strlen(lmz);i++)
                  ^
/in/database.c: In function 'list':
/in/database.c:85:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < strlen(db->tables[i].name); j++) {
                           ^
/in/database.c: In function 'delete':
/in/database.c:148:10: warning: unused variable 'temp' [-Wunused-variable]
     char temp[MAX_ASSIGNMENT][MAX_NAME];
          ^~~~
/in/database.c:147:9: warning: unused variable 'm' [-Wunused-variable]
     int m = 0;
         ^
/in/database.c:146:9: warning: unused variable 'j' [-Wunused-variable]
     int j = 0;
         ^
/in/database.c:145:9: warning: unused variable 'cp' [-Wunused-variable]
     int cp[100];
         ^~
/in/database.c:144:9: warning: unused variable 'ci' [-Wunused-variable]
     int ci[100];
         ^~
/in/database.c: In function 'main':
/in/database.c:343:9: warning: implicit declaration of function 'gets'; did you mean 'fgets'? [-Wimplicit-function-declaration]
         gets(command);
         ^~~~
         fgets
/in/database.c:349:36: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'char (*)[15]' [-Wformat=]
             sscanf(command, "LOAD %s\n", &str);
                                   ~^     ~~~~
/in/database.c: In function 'strfind':
/in/database.c:14:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
In file included from /usr/include/stdio.h:862:0,
                 from /in/database.c:1:
In function 'fgets',
    inlined from 'load' at /in/database.c:30:12:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:260:9: warning: call to '__fgets_chk_warn' declared with attribute warning: fgets called with bigger size than length of destination buffer
  return __fgets_chk_warn (__s, __bos (__s), __n, __stream);
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/tmp/cccMpCQO.o: In function `main':
database.c:(.text.startup+0x406): warning: the `gets' function is dangerous and should not be used.