Knowledge Walls
Venkatesan
Hyderabad, Andhra Pradesh, India
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Introduction [cont'd]
Input Output Functions [cont'd]
Structures and Unions [cont'd]
# Preprocessor [cont'd]
Strlwr in Strings of Programming in C
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Strlwr 
Strlwr is a string function to convert string into lower case. It returns converted(lower) string and replace orginal variable value also as lower case string.
Syntax 
char[] strlwr(char[] string);
Program
#include

void main(){
    char name[] = "Knowledge Walls";

    //To clear console
    clrscr();

    //Returning converted(lower) string
    printf("%s\n",strlwr(name));

    //Replaced original string with converted(lower) string
    printf("%s\n",name);
}
Output 
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