C String – strlwr() function1 min read

strlwr() function in C String converts all the characters present in a given string to Lowercase.

The strlwr() function is defined in the header file string.h.

It takes a single argument that is the name of the string and is written as follows.

strlwr(string_name);

C Program for strlwr() function

Output:

Don’t be alarmed if it does not run on your compiler. It is just that some functions like strlwr(), which are only available in ANSI C (Turbo C/C++) and are not available in the standard C-GCC compiler.


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