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Saturday, 17 March 2012

tolower example in C

Header file:
    ctype.h

Synopsis:
    int tolower (int input)

Description:
    converts the given input to upper case if possible

Return Value:
    returns lower case of "input", if "input" is in uppercase.  Otherwise, "input" is returned unchanged


tolower function C example:


  #include<stdio.h>
  #include<ctype.h>
  int main() {
        char c;
        printf("Enter your input:");
        c = getchar();
        printf("Result for the given input: %c\n", tolower(c));
        return 0;
  }


  Output:
  jp@jp-VirtualBox:~/cpgms$ ./a.out
  Enter your input:A
  Result for the given input: a


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