foo.cc: In function 'int say1(std::string*, int*, int*, std::string*, int*)':
foo.cc:46:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   46 |  if (a!=content.npos){
foo.cc:51:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   51 |  if (a!=content.npos){
foo.cc:56:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   56 |  if (a!=content.npos){
foo.cc:69:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   69 |  if (a!=content.npos){
foo.cc:81:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   81 |  if (a!=content.npos){
foo.cc:85:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |         for(int i=a+10;i<a+20&&i<content.length();i++){
      |                                ~^~~~~~~~~~~~~~~~~
foo.cc:32:7: warning: variable 'b' set but not used [-Wunused-but-set-variable]
   32 |  bool b = true;
      |       ^
foo.cc: In function 'int ifshrs(int, std::string, std::string, std::string*, int*, std::string*, int*, int*)':
foo.cc:114:19: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  114 |               if(c!=b.npos){
foo.cc:121:19: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  121 |               if(c!=b.npos){
foo.cc:132:13: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  132 |         if(c!=b.npos){
foo.cc:139:14: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  139 |          if(c!=b.npos){
foo.cc:156:23: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  156 |                 if (c == b.npos){
foo.cc:181:10: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  181 |      if(c!=content.npos){
foo.cc:183:12: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  183 |       if (c!=content.npos){
foo.cc:188:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  188 |   if(c!=content.npos){
foo.cc:190:8: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  190 |    if(c==content.npos){
foo.cc:195:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  195 |   if(c!=content.npos){
foo.cc:197:8: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  197 |    if(c!=content.npos){
foo.cc:203:9: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  203 |    if (c!=content.npos){
foo.cc:209:8: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  209 |    if(c!=content.npos){

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