strupr, _mbsupr, _wcsupr
Remonter à String.h - Index
Header File
string.h, mbstring.h
Category
Conversion Routines, Memory and String Manipulation Routines
Prototype
char *strupr(char *s);
wchar_t *_wcsupr(wchar_t *s);
unsigned char *_mbsupr(unsigned char *s);
Description
Converts lowercase letters in a string to uppercase.
strupr converts lowercase letters in string s to uppercase according to the current locale's LC_CTYPE category. For the default C locale, the conversion is from lowercase letters (a to z) to uppercase letters (A to Z). No other characters are changed.
Return Value
strupr returns s.
Example
#include <stdio.h>
#include <string.h>
int main(void)
{
char *string = "abcdefghijklmnopqrstuvwxyz", *ptr;
/* converts string to upper case characters */
ptr = strupr(string);
printf("%s\n", ptr);
return 0;
}
Portability
POSIX | Win32 | ANSI C | ANSI C++ | |
---|---|---|---|---|
strupr |
+ |
|||
_mbsupr |
+ |
|||
_wcsupr |
+ |