mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-11 19:49:32 +00:00
41 lines
580 B
C
41 lines
580 B
C
/*
|
|
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 *
|
|
strupr (char *s)
|
|
{
|
|
unsigned char *ucs = (unsigned char *) s;
|
|
for ( ; *ucs != '\0'; ucs++)
|
|
{
|
|
*ucs = toupper(*ucs);
|
|
}
|
|
return s;
|
|
}
|