blob: dbec79e460bfd537670b848587324936c1813a22 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/*
FUNCTION
<<strupr>>---force string to uppercase
INDEX
strupr
SYNOPSIS
#include <string.h>
char *strupr(char *<[a]>);
DESCRIPTION
<<strupr>> converts each character in the string at <[a]> to
uppercase.
RETURNS
<<strupr>> returns its argument, <[a]>.
PORTABILITY
<<strupr>> is not widely portable.
<<strupr>> requires no supporting OS subroutines.
QUICKREF
strupr
*/
#include <string.h>
#include <ctype.h>
char *
_DEFUN (strupr, (s),
char *s)
{
unsigned char *ucs = (unsigned char *) s;
for ( ; *ucs != '\0'; ucs++)
{
*ucs = toupper(*ucs);
}
return s;
}
|