tolower Function

If the character is an uppercase character (A to Z), then it is converted to lowercase (a to z) character.

It returns the lowercase equivalent of ch if ch is a letter.

Syntax :

int tolower(int ch);

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Example

#include <ctype.h>

#include <stdio.h>

  void main() {

	char b,ch='A';

	b=tolower(ch);

	printf("lowercase is: %c",b);

}

Output

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