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, int, int, std::string, std::string, std::string*, int*, std::string*, int*, int*)':
foo.cc:116:19: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  116 |               if(c!=b.npos){
foo.cc:123:19: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  123 |               if(c!=b.npos){
foo.cc:134:13: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  134 |         if(c!=b.npos){
foo.cc:141:14: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  141 |          if(c!=b.npos){
foo.cc:158:23: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  158 |                 if (c == b.npos){
foo.cc:185:10: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  185 |      if(c!=content.npos){
foo.cc:187:12: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  187 |       if (c!=content.npos){
foo.cc:192:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  192 |   if(c!=content.npos){
foo.cc:194:8: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  194 |    if(c==content.npos){
foo.cc:199:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  199 |   if(c!=content.npos){
foo.cc:201:8: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  201 |    if(c!=content.npos){
foo.cc:207:9: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  207 |    if (c!=content.npos){
foo.cc:213:8: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  213 |    if(c!=content.npos){

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