strlwr, _mbslwr, _wcslwr
Go Up to string.h Index
Header File
string.h, mbstring.h
Category
Conversion Routines, Memory and String Manipulation Routines
Prototype
char *strlwr(char *s);
wchar_t *_wcslwr(wchar_t *s);
unsigned char *_mbslwr(unsigned char *s);
Description
Converts uppercase letters in a string to lowercase.
strlwr converts uppercase letters in string s to lowercase according to the current locale's LC_CTYPE category. For the C locale, the conversion is from uppercase letters (A to Z) to lowercase letters (a to z). No other characters are changed.
Return Value
strlwr returns a pointer to the string s.
Example
#include <stdio.h> #include <string.h> int main(void) { char *string = "CBuilder"; printf("string prior to strlwr: %s\n", string); strlwr(string); printf("string after strlwr: %s\n", string); return 0; }
Portability
POSIX | Win32 | ANSI C | ANSI C++ | |
---|---|---|---|---|
strlwr |
+ |
|||
_mbslwr |
+ |
|||
_wcslwr |
+ |