Program to find the length of a string without using library function in C

Source Code

// 54.ii. Program to find the length of a string without using library function
// Arpan Das - CST 2nd Year (VOCLET)

#include <stdio.h>
//#include <conio.h>

int strlength(char *);

void main () {
	char str[50];
	int len;
	//clrscr();

	printf("\t\t..:: find the length of a string using library function ::..\n\n");
	printf("Please enter any string: ");
	scanf("%[^\n]%*c", str); // String include space

	len = strlength(str);
	printf("\nLength of %s is %d", str, len);

	//getch();
}

int strlength(char *s) {
	int i=0, len=0;
	while (s[i++] != '\0') len++;
	return len;
}

Output

	..:: find the length of a string using library function ::..

Please enter any string: India

Length of India is 5