C language to implement the letter case conversion method

  • 2020-04-02 03:07:57
  • OfStack

This article illustrates a case - case conversion method in C language. Share with you for your reference. The specific implementation method is as follows:



#include <stdio.h>
int lower(int c)
{
 return ((c>='A')&&(c<='z'))?(c+'a'-'A'):(c);
}
main()
{
 int i;
 char a[]="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 for(i=0;i<26;i++){
  printf("%c result is %d ------ %cn",a[i],lower(a[i]),(char)lower(a[i]));
 }
}

Hope that the article described in the C programming language for you to help.


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