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		+