The strlwr( ) function is a built-in function in C and is used to convert a given string into lowercase.
char *strlwr(char *str);
- str: This represents the given string which we want to convert into lowercase.
Returns: It returns the modified string obtained after converting the characters of the given string str to lowercase.
Note: This is a non-standard function that works only with older versions of Microsoft C.
Below programs illustrate the strlwr() function in C:
geeksforgeeks is the best
Given string is: CompuTer ScienCe PoRTAl fOr geeKS String after converting to the lowercase is: computer science portal for geeks