Write a C program to find length of given string without using built-in function strlen( )

 Write a C program to find length of given string without

using built-in function strlen( )

#include <stdio.h>

void main()

{

char str[100];

int i;

printf("Enter a string\n");

scanf("%s",str);

i=0;

while(str[i]!='\0')

{

i++;

}

printf("Length of the string is %d\n",i);

}

#include <stdio.h>

#include <string.h>

void main()

{

char s[100], r[100];

int i, j=0, len;

printf("Enter any String \n");

gets(s);

len = strlen(s);

for (i = len - 1; i >= 0; i--)

{

r[j] = s[i];

j++;

}

r[j] = '\0';

printf("\n String after Reversing = %s", r);

}