Write the function LENGTH which returns the length of a string of characters CH as result.

Difficulty level
Video recording
This exercise is mostly suitable for students 
#include <stdio.h>
#include <conio.h>

int length(char str[])
{
	int i = 0;
	while (str[i])
		i++;
	return i;
}

void main()
{
	char str[100];
	printf("Enter a string: ");
	gets(str);
	printf("length=%d\n", length(str));

	getch();
}
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