/home/jaivrat/cpp/test>cat -n test.cpp
     1  #include <iostream>
     2  #include <string>
     3  
     4  int main(){
     5  
     6    std::string str;
     7  
     8    std::cout<<"Please eter string:";
     9    std::cin>>str;
    10    for (int i=0; i< str.length(); ++i){
    11      std::string temp("");

#include<string>

    1  #include<iostream>
     2  #include<fstream>
     3  #include<map>
     4  #include<ctype.h>
     5  
     6   typedef std::map<std::string, int> StrMap; 
     7  void recordData( StrMap& m, std::string& str);
     8  
     9  int main(int argc, char* argv[]){

     1  #include<iostream>
     2  #include<cstdio>
     3  #include <sys/types.h>
     4  #include <dirent.h>
     5  #include <cstdlib>
     6  #include <cerrno>
     7
     8  int printFiles(char * dirname);
     9  int countFiles(char * dirname);
    10  int main( int argc, char *argv[]){
    11
    12  printf("argv[1]

int printFiles(char * dirname){

     DIR* dirp;
     dirp = opendir(dirname);
     struct dirent * dp=0;
     int i=0;
     while (dirp) {
     i++;
     std::cout<<" In while loop "<<i<<std::endl;
         errno = 0;
         if ((dp = readdir(dirp)) != NULL) {
           std::string curr(dp->d_name);

struct Calib *st_ptr;

int DoSome(string *inp) {
if ((*inp).substr(0,6)=="myflow") {   // here's my problem, inp only points, and don't got the method substr.
(*inp) = (*inp).substr(6);
// lot of code here
}
return (0);
}

int DoSome(string &inp)