Conversion from uppercase to lower case using c program

Conversion from uppercase to lower case using c program

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

int main(){

  char str[20];

  int i;

  printf("Enter any string->");

  scanf("%s",str);

  printf("The string is->%s",str);

  for(i=0;i<=strlen(str);i++){

      if(str[i]>=65&&str[i]<=90)

       str[i]=str[i]+32;

  }

  printf("\nThe string in lower case is->%s",str);

  return 0;

}

County String

#include <stdio.h>

int isvowel(char chk);

int main(){

  char text[1000], chk;

  int count;

  count = 0;

  while((text[count] = getchar()) != '\n')

            count++;

  text[count] = '\0';

  count = 0;

  while ((chk = text[count]) != '\0'){

      if (isvowel(chk)){

           if((chk = text[++count]) && isvowel(chk)){

               putchar(text[count -1]);

              putchar(text[count]);

              putchar('\n');

           }

      }

      else

           ++count;

  }

  return 0;

}

int isvowel(char chk){

  if(chk == 'a' || chk == 'e' || chk == 'i' || chk == 'o' || chk == 'u')

      return 1;

  return 0;

}

 Diamond Design

#include <stdio.h>

 int main()

{

int n, c, k, space = 1;

  printf("Enter number of rows\n");

  scanf("%d", &n);

 space = n - 1;

 for (k = 1; k <= n; k++)

  {

for (c = 1; c <= space; c++)

      printf(" ");

 space--;

 for (c = 1; c <= 2*k-1; c++)

      printf("*");

 printf("\n");

  }

 space = 1;

 for (k = 1; k <= n - 1; k++)

  {

for (c = 1; c <= space; c++)

      printf(" ");

    space++;

 for (c = 1 ; c <= 2*(n-k)-1; c++)

      printf("*");

 printf("\n");

  }

 return 0;

}

 

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