P066.c

Metadata

• Author — Amit Dutta (amitdutta4255@gmail.com)
• Last updated — 14 Jan 2026
• License — MIT

Problem Statement

Problem Statement

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

Source Code

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#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;
}