Find the Length of a String in C

Exercise:

Write a C Program to find the length of a string.

Click Here to View the Solution!
#include <stdio.h>
int main() {
    char s[] = "Code of Code is a great website";
    int i;
    for (i = 0; s[i] != '\0'; ++i);
    printf("Length of the given string = %d", i);
    return 0;
}
Click Here to View the Output!
Length of the given string = 31
Click Here to View the Explanation!
  • This program is used to determine the length of a string without using the function strlen().
  • In main(), a string array s[] in initialized and an integer variable i is declared.
  • A for loop is initialized which iterates between the characters of the string starting from i = 0 and continues iterations a null character is observed.
  • In every iteration, the value of i is incremented by one.
  • The length of the string is therefore stored in the variable i which is then printed.
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