strupr, _fstrupr

Converts lowercase letters in a string to uppercase.

Defined in header <string.h>

Syntax

#include <string.h>
Near  version: char *strupr(char *s);
Far version: char far * far _fstrupr(char far *s)

Portability

Remarks

strupr converts lowercase letters (a-z) in string s to uppercase (A-Z). No other characters are changed.

Return value

strupr returns s.

See also

• strlwr

Example

include  <stdio.h>
#include <string.h>

int main(void)
{
   char *string =  "abcdefghijklmnopqrstuvwxyz", *ptr;

   /* converts string to uppercase  characters */
   ptr = strupr (string),•
   printf("%s\n", ptr) ;
   return 0;

Differences from modern implementations

Nothing recorded yet.

Modern references

• Microsoft C runtime (search)

These are search links, not yet checked by hand.

Stable link: /3.1/string.h/strupr/ · short form /3.1/strupr/