Sample C Program To Accept A String & Display Its Alternate Characters.

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

char alt(char *p);

void main()
{

char str[10];
clrscr();
printf(" \n \n Enter the string: \t ");
gets(str);
alt(str);
getch();

}

char alt(char *p)
{

int j,l;
l = strlen(p);
printf(" \n \n Alternate characters of the entered string are: \t ");
for(j = 0; j <= l - 1; j = j + 2)
  {
    printf("%c",p[j]);
  }
return 1;
}


OUTPUT:

Enter the string: BODYGUARD
Alternate characters of the entered string are:
B D G A D


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