c - bruteforce-code is not running -

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i tried code litle bruteforce programm. cant compile it. easy programmcode think , thats reason why bug me hard didnt compile. searched solutions couldnt strike bonanza...

`1 #include <stdio.h>  2 #include <string.h>  3 char pass;  4 strcpy(pass,"m");  5 int pass_test(int argc, char *argv[]){  6         char s_pass[2];  7         argv[0] = s_pass;  8         if (s_pass == pass){  9                 printf("=================\n==access gained==\n================="); 10 }                11         else{ 12                 printf("sth. went wrong"); 13 }                14 } 15 int main(){ 16         char solved_pass[2]; 17         char *op_abc; 18         int i, p, z; 19         strcpy(op_abc, "abcdefghijklmnopqrstuvwxyz"); 20         if ((strlen(pass)) == 1){ 21                 for(i=0;i < strlen(op_abc);i++){ 22                         pass_test(op_abc[i]); 23 }                        24 } 25         if (strlen(pass) == 2){ 26                 for(p=0;p < strlen(op_abc);p++){ 27                         for(z=0;z < strlen(op_abc);z++){ 28                                 op_abc[p] = solved_pass[0]; 29                                 op_abc[z] = solved_pass[1]; 30                                 pass_test(solved_pass); 31 }                                32 }                33 } 34 }`

this compiler says

bruteforce.c:4:13: error: expected ‘)’ before string constant bruteforce.c: in function ‘pass_test’: bruteforce.c:8:13: warning: comparison between pointer , integer [enabled default] bruteforce.c: in function ‘main’: bruteforce.c:20:2: warning: passing argument 1 of ‘strlen’ makes pointer integer without cast [enabled default] in file included bruteforce.c:2:0: /usr/include/string.h:399:15: note: expected ‘const char *’ argument of type ‘char’ bruteforce.c:22:4: error: few arguments function ‘pass_test’ bruteforce.c:5:5: note: declared here bruteforce.c:25:2: warning: passing argument 1 of ‘strlen’ makes pointer integer without cast [enabled default] in file included bruteforce.c:2:0: /usr/include/string.h:399:15: note: expected ‘const char *’ argument of type ‘char’ bruteforce.c:30:5: warning: passing argument 1 of ‘pass_test’ makes integer pointer without cast [enabled default] bruteforce.c:5:5: note: expected ‘int’ argument of type ‘char *’ bruteforce.c:30:5: error: few arguments function ‘pass_test’ bruteforce.c:5:5: note: declared here

could me please ?

one problem can't have statements or free expression in global scope.

another problem strcpy function expects string (i.e. char*) destination, not single char.

you can solve both these problems doing definition , initialization in 1 line:

char pass = 'm';

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