foo.cc: In function 'int say1(std::string*, int*, int*, std::string*, int*)':
foo.cc:55:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   55 |  if (a!=content.npos){
foo.cc:60:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   60 |  if (a!=content.npos){
foo.cc:65:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   65 |  if (a!=content.npos){
foo.cc:78:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   78 |  if (a!=content.npos){
foo.cc:90:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   90 |  if (a!=content.npos){
foo.cc:94:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |         for(int i=a+10;i<a+20&&i<content.length();i++){
      |                                ~^~~~~~~~~~~~~~~~~
foo.cc:41:7: warning: variable 'b' set but not used [-Wunused-but-set-variable]
   41 |  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:125:19: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  125 |               if(c!=b.npos){
foo.cc:132:19: 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:143:13: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  143 |         if(c!=b.npos and c==0){
foo.cc:148:15: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  148 |      else if(c!= b.npos){
foo.cc:150:11: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  150 |       if(c!=b.npos){
foo.cc:159:14: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  159 |          if(c!=b.npos){
foo.cc:176:23: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  176 |                 if (c == b.npos){
foo.cc:206:10: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  206 |      if(c!=content.npos){
foo.cc:208:12: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  208 |       if (c!=content.npos){
foo.cc:213:7: 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){
foo.cc:215:8: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  215 |    if(c==content.npos){
foo.cc:220:7: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  220 |   if(c!=content.npos){
foo.cc:222:8: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  222 |    if(c!=content.npos){
foo.cc:228:9: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  228 |    if (c!=content.npos){
foo.cc:234:8: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
  234 |    if(c!=content.npos){

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