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  1. #include<stdio.h>
  2. int calculatelength(char*);
  3.  
  4. void main()
  5. {
  6.     char str1[25];
  7.     int l;
  8.     printf("\n\n Pointer: Calculate the length of the string: \n");
  9.     printf("------------------------------------------------- \n");
  10.  
  11.     printf("Input a string: ");
  12.     fgets(str1, sizeof str1, stdin);
  13.  
  14.     l= calculatelength(str1);
  15.     printf("The length of the given string %s is : %d", str1, l-1);
  16.     printf("\n\n");
  17.  
  18. }
  19.  
  20. int calculatelength(char* ch) //ch=base address of array str1 (&str1[0])
  21. { 
  22.     int ctr = 0;
  23.     while (*ch != '\0')
  24.     {
  25.         ctr++;
  26.         ch++;
  27.     }
  28.     return ctr;
  29. }
Success #stdin #stdout 0.01s 5516KB
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stdin
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45
stdout
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 Pointer: Calculate the length of the string: 
------------------------------------------------- 
Input a string: The length of the given string 45 is : 1
https://ideone.com/16DKtT
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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