Converting uppercase to lowercase : char Calculation « Data Type « C Tutorial

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C Tutorial » Data Type » char Calculation

2.14.2.Converting uppercase to lowercase

#include <stdio.h>



int main(void)

{

  char letter = 'B';                        





  if(letter >= 'A')                       

    if (letter <= 'Z'){                                     

      letter = letter - 'A'+ 'a';         

      printf("You entered an uppercase %c\n", letter);

    }

    else                                  

      printf("Try using the shift key, Bud! I want a capital letter.\n");

  return 0;

}

You entered an uppercase b

2.14.char Calculation
	2.14.1.	Overflow in char and unsigned char data types
	2.14.2.	Converting uppercase to lowercase
	2.14.3.	Compare characters to characters in if statement
	2.14.4.	Checking for Upper- and Lowercase
	2.14.5.	Compare char variable in if statement

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