Write a program to calculate the length of string using a user-defined function
#include<stdio.h> #include<conio.h> int length(char[]); void main() { int ln; char str[20]; printf("Enter any string:\n"); gets(str); ln = length(str); printf("Length of %s is %d",str,ln); } int length(char str[]) { int i=0; while(str[i]!='\0') { i++; } return i; }
Output
Enter any string:
nawaraj
Length of nawaraj is 7