`P066.c`¶

Problem Statement

WAP to find the length of a string using i) Library Method ii) User defined method

Metadata¶

Property	Detail
Author	Amit Dutta (amitdutta4255@gmail.com)
License	MIT
Difficulty	Beginner (index: 0 / 10)

Concepts¶

Beta Feature

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Recursion
Array
Iteration

Actions¶

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Source Code¶

#include <stdio.h>
#include <string.h>

int sLength(char str[])
{
    int i = 0;
    while (str[i] != '\0')
    {
        i++;
    }
    return i;
}

int main()
{
    char str[30];
    int len;
    printf("Enter the string: ");
    gets(str);
    len = strlen(str);
    printf("Length of the string: %d", len);
    printf("\nLength of the string (U-D): %d", len);
    return 0;
}

Explanation¶

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    You are explaining a C programming code to a beginner.

    STRICT RULES:

    - Only use the given code. Do NOT assume anything not present.

    - Do NOT add extra examples.

    - Keep explanation clear and short.

    - If something is unclear, say "Not clear from code".

    - Follow the exact format below. Do NOT change headings.

    FORMAT:

    [START]

    ## What it does

    (Explain the overall purpose in 1-2 sentences)

    ## Step-by-step

    (Explain how the code works in steps, simple language)

    ## Key Concepts

    (List concepts like loop, condition, function, etc.)

    ## Notes

    (Mention any limitations, errors, or assumptions)

    [END]

    CODE (P066.c):

    #include <stdio.h>
    #include <string.h>

    int sLength(char str[])
    {
        int i = 0;
        while (str[i] != '\0')
        {
            i++;
        }
        return i;
    }

    int main()
    {
        char str[30];
        int len;
        printf("Enter the string: ");
        gets(str);
        len = strlen(str);
        printf("Length of the string: %d", len);
        printf("\nLength of the string (U-D): %d", len);
        return 0;
    }

P066.c¶