Click above to get retro games delivered to your door ever month!

tolower()                Convert 'c' To Lowercase, If Appropriate

 #include   <ctype.h>

 int        tolower(c);
 int        c;                           Character to be converted

    The tolower() macro converts 'c' to lowercase if 'c' is an uppercase
    letter. If not, it remains unchanged.

    Returns:    The converted character 'c'. There is no error return.

      Notes:    tolower() is a macro.  Since tolower() does not correctly
                handle 'c' arguments with side effects, the library
                contains a function version. The function version may be
                used if the definition of tolower() is removed using
                #undef or if the header <ctype.h> is not included at all.
                The function tolower() is declared in <stdlib.h>.

  -------------------------------- Example ---------------------------------

    The following statements convert strings to lowercase before printing
    them.

         #include <ctype.h>
         #include <stdio.h>

         char string[15] = "ALPHABET SOUP";
         int x;

         main()
         {
             for (x = 0; x < strlen(string); x++)
                 printf("%c",tolower(string[x]));
             printf("\n");
         }