cartite.cpp: In function 'int main()': cartite.cpp:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cartite.cpp:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cartite.cpp:43: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cartite.cpp:46: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cartite.cpp:20: warning: 'urm.punct::y' may be used uninitialized in this function cartite.cpp:20: warning: 'urm.punct::x' may be used uninitialized in this function