_strupr_nt.c File Reference

#include "precomp.h"

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Functions
char *__cdecl	_strupr (_Inout_z_ char *_String)

Function Documentation

_strupr()

char *__cdecl _strupr

(

_Inout_z_ char *

_String

)

Definition at line 12 of file _strupr_nt.c.

{
    char ch, *p;
 
    if (_String == NULL)
    {
        _invalid_parameter(NULL, L"_strupr", _CRT_WIDE(__FILE__), __LINE__, 0);
        return NULL;
    }
 
    for (p = _String; *p; p++)
    {
        ch = *p;
        if ((ch >= 'a') && (ch <= 'z'))
        {
            *p += 'A' - 'a';
        }
    }
 
    return _String;
}