Convert string from upper case to lower case in c without using strlwr

Here you will get a program code to convert string from upper case to lower case without using strlwr(builtin) function in c programming.

Convert string from upper case to lower case without using strlwr function.

Upper case to lower case in c program

//Change string to lower case without strlwr in c

#include <stdio.h>

#include <ctype.h>

void string_to_lower(char *str)

{

while(*str)

{

if (*str>='A' && *str<='Z')

*str=*str+32;

str++;

}

int main()

{

char str[] = "Code Revise";

string_to_lower(str);

printf("%s\n", str);

return 0;

}

Output

Input any string : Welcome to Code Revise
welcome to code revise