找出字符串中的数字

    #include <stdio.h>
    #include <stdlib.h>
    #include <string.h>
#include<iostream>
using namespace std;
    int main()
    {  
char *input="145ab00d1c+123fghjh+45j3.005";
int cn=0;
char u[10]="0";
int i,j,s=0,k,num[10],m=0;
int len=strlen(input);
     
 for(i=0;i<len;i++)
 {
 if(input[i]>='0' && input[i]<='9')
 {
 for(j=i;;j++)
 {
 if(input[j]>='0' && input[j]<='9')
 cn++;
    else
   break;
 }
  for(k=i;k<i+cn;k++)
  u[s++]=input[k];
     u[s]='\0';
   // cout<<strlen(u)<<endl;
      num[m++]=atoi(u);