c - Displaying File Permissions in UNIX -

i trying type c program display user's permissions files typed on command line. test it, typed pathname of file in main function. shows error saying "couldn't stat comp_sci/project_1/test.c"

i've checked directory , contain file named test.c think error in code.

# include <stdio.h>  # include <stdlib.h> # include <sys/types.h> # include <sys/stat.h>    int filedata(const char *pathname) { // call filedata function parameter pathname       // use octarray determining if permission bits set      static short octarray[9] = { 0400, 0200, 0100, 0040, 0020, 0010, 0004, 0002, 0001 };      // mnemonic codes file permission, 10 characters long because of terminating null     static char perms[10] = "rwxrwxrwx";      struct stat statbuf; // statbuf name of our stat structure      char descrip[10]; // descrip array of chars of length 10     int j;      if (stat(pathname, &statbuf) == -1) {          fprintf(stderr, "couldn't stat %s\n", pathname);         return (-1);     }      // put permissions readable form     (j = 0; j < 9; j++) {         // test whether permission set using bitwise ,          if (statbuf.st_mode & octarray[j]) {             descrip[j] = perms[j];         }         else {             descrip[j] = '-';         }     } // end for-loop      descrip[9] = '\0'; // make sure have string      // display file information     printf("\nfile %s :\n", pathname);     //printf("\nsize %ld bytes\n", statbuf.st_size);      //printf("user_id %d, group_id %d\n\n", statbuf.st_uid, statbuf.st_gid);     printf("permissions: %s\n", descrip);       return (0);  }  int main (int argc, char *argv[]) {      filedata ("comp_sci/project_1/test.c"); return(0);  }