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View Compilation Error

0_0_28445362_21025.c: In function 'cmpnum':
0_0_28445362_21025.c:12:15: error: 'inf' undeclared (first use in this function)
     return (*(inf *)a).num - (*(inf *)b).num;
               ^
0_0_28445362_21025.c:12:15: note: each undeclared identifier is reported only once for each function it appears in
0_0_28445362_21025.c:12:20: error: expected expression before ')' token
     return (*(inf *)a).num - (*(inf *)b).num;
                    ^
0_0_28445362_21025.c:12:38: error: expected expression before ')' token
     return (*(inf *)a).num - (*(inf *)b).num;
                                      ^
0_0_28445362_21025.c: In function 'cmpname':
0_0_28445362_21025.c:16:26: error: 'inf' undeclared (first use in this function)
     int temp = strcmp((*(inf *)a).name,(*(inf *)b).name);
                          ^
0_0_28445362_21025.c:16:31: error: expected expression before ')' token
     int temp = strcmp((*(inf *)a).name,(*(inf *)b).name);
                               ^
0_0_28445362_21025.c:16:48: error: expected expression before ')' token
     int temp = strcmp((*(inf *)a).name,(*(inf *)b).name);
                                                ^
0_0_28445362_21025.c:18:24: error: expected expression before ')' token
         return (*(inf *)a).num - (*(inf *)b).num;
                        ^
0_0_28445362_21025.c:18:42: error: expected expression before ')' token
         return (*(inf *)a).num - (*(inf *)b).num;
                                          ^
0_0_28445362_21025.c: In function 'cmpscore':
0_0_28445362_21025.c:23:11: error: 'inf' undeclared (first use in this function)
     if((*(inf *)a).score == (*(inf *)b).score)
           ^
0_0_28445362_21025.c:23:16: error: expected expression before ')' token
     if((*(inf *)a).score == (*(inf *)b).score)
                ^
0_0_28445362_21025.c:23:37: error: expected expression before ')' token
     if((*(inf *)a).score == (*(inf *)b).score)
                                     ^
0_0_28445362_21025.c:24:24: error: expected expression before ')' token
         return (*(inf *)a).num - (*(inf *)b).num;
                        ^
0_0_28445362_21025.c:24:42: error: expected expression before ')' token
         return (*(inf *)a).num - (*(inf *)b).num;
                                          ^
0_0_28445362_21025.c:25:20: error: expected expression before ')' token
     return (*(inf *)a).score - (*(inf *)b).score;
                    ^
0_0_28445362_21025.c:25:40: error: expected expression before ')' token
     return (*(inf *)a).score - (*(inf *)b).score;
                                        ^
0_0_28445362_21025.c: In function 'main':
0_0_28445362_21025.c:33:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for(int i = 0;i < a;i++){
     ^
0_0_28445362_21025.c:33:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_28445362_21025.c:48:13: error: redefinition of 'i'
     for(int i = 0;i < a;i++){
             ^
0_0_28445362_21025.c:33:13: note: previous definition of 'i' was here
     for(int i = 0;i < a;i++){
             ^
0_0_28445362_21025.c:48:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for(int i = 0;i < a;i++){
     ^


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