istringsream input("-3aaa");
int temp;
input >> temp;
istringsream input("-3aaa");
int temp;
std::string s;
input >> temp >> s;
#include <string>
#include <sstream>
#include <iostream>
using namespace std;
int main(int argc, char* argv[])
{
istringstream input("-3aaa");
int temp;
string str;
input >> temp;
input >> str;
cout << temp << endl;
cout << str << endl;
return 0;
}
#include <stdio.h>
char s[]="123 ab 4";
char *p;
int v,n,k;
void main() {
p=s;
while (1) {
k=sscanf(p,"%d%n",&v,&n);
printf("k,v,n=%d,%d,%d\n",k,v,n);
if (1==k) {
p+=n;
} else if (0==k) {
printf("skip char[%c]\n",p[0]);
p++;
} else {//EOF==k
break;
}
}
printf("End.\n");
}
//k,v,n=1,123,3
//k,v,n=0,123,3
//skip char[ ]
//k,v,n=0,123,3
//skip char[a]
//k,v,n=0,123,3
//skip char[b]
//k,v,n=1,4,2
//k,v,n=-1,4,2
//End.
