Question

Explain the concept of pointer to an array. Using this write an interactive program in "C" to find out the string length of a given string, as input ?

Answer 1

#include<stdio.h>#include<conio.h> int string_ln(char*); void main() {   char str[20];   int length;   clrscr();      printf("\nEnter any string : ");   gets(str);      length = string_ln(str);   printf("The length of the given string %s is : %d", str, length);   getch();} int string_ln(char*p) /* p=&str[0] */{   int count = 0;   while (*p != '\0') {      count++;      p++;   }   return count;}