1 #include<stdio.h>
2 #include<stdlib.h>
3 char* ip()
4 {
5 char *s1,ch;
6 int i=0;
7 s1=(char*)malloc(sizeof(char));
8 while(1)
9 {
10 scanf(“%c”,&ch);
11 s1=realloc(s1, i+1*sizeof(char));
12 if(ch==10)
13 break;
14 s1[i]=ch;
15 i++;
16 }
17 printf(“%s\n”,s1);
18 return s1;
19 }
20 int stlen(char*s1)
21 {
22 int i=0;
23 while(1)
24 {
25 if(s1[i]==0)
26 break;
27 i++;
28 }
29 printf(“%d”,i);
30 return i;
31
32 }
33
34 main()
35 { char * s1;
36 s1=ip();
37 stlen(s1);
38 }
