c program to delete n characters from a given position in a given string,c program to insert a substring into a string from a given position,c program to insert a character in a string,insert one string into the string at a given position
#include"stdio.h"
#include"conio.h"
#include"string.h"
void main()
{
 char ch[35],ch1[15],copy[50];
 int i,j=0,loc,a,b,k=0;
 clrscr();
 printf("\nEnter any string=");
 gets(ch);
 printf("\n\nEnter string you want to insert=");
 gets(ch1);
 printf("\n\nWhich position you want to insert string=");
 scanf("%d",&loc);
 a=strlen(ch);
 b=strlen(ch1);
 for(i=0;i"(a+b);i++)
 {
  if(i"loc)
  {
   copy[i]=ch[i];
   j=i;
   j++;
  }
  else if(i"loc+b)
  {
   copy[i]=ch1[k++];
  }
  else
  {
   copy[i]=ch[j++];
  }
 }
 copy[i]='\0';
 printf("\n\nAfter insert string is= %s",copy);
 getch();
}