Warning: main(/www/www/htdocs/style/globals.php) [function.main]: failed to open stream: No such file or directory in /www/www/docs/6.4.1/neutrino/lib_ref/s/strupr.html on line 1

Warning: main() [function.include]: Failed opening '/www/www/htdocs/style/globals.php' for inclusion (include_path='.:/www/www/common:/www/www/php/lib/php') in /www/www/docs/6.4.1/neutrino/lib_ref/s/strupr.html on line 1

Warning: main(/www/www/htdocs/style/header.php) [function.main]: failed to open stream: No such file or directory in /www/www/docs/6.4.1/neutrino/lib_ref/s/strupr.html on line 8

Warning: main() [function.include]: Failed opening '/www/www/htdocs/style/header.php' for inclusion (include_path='.:/www/www/common:/www/www/php/lib/php') in /www/www/docs/6.4.1/neutrino/lib_ref/s/strupr.html on line 8

strupr()

Convert a string to uppercase

Synopsis:

#include <string.h>

char* strupr( char* s1 );

Arguments:

s1
The string that you want to convert to uppercase.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The strupr() function replaces the string s1 with uppercase characters, by invoking toupper() for each character in the string.

Returns:

The address of the string.

Examples:

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

char source[] = { "A mixed-case STRING" };

int main( void )
  {
    printf( "%s\n", source );
    printf( "%s\n", strupr( source ) );
    printf( "%s\n", source );
    return EXIT_SUCCESS;
  }

produces the output:

A mixed-case STRING
A MIXED-CASE STRING
A MIXED-CASE STRING

Classification:

Unix

Safety:
Cancellation point No
Interrupt handler Yes
Signal handler Yes
Thread Yes

See also:

strlwr(), toupper()


Warning: main(/www/www/htdocs/style/footer.php) [function.main]: failed to open stream: No such file or directory in /www/www/docs/6.4.1/neutrino/lib_ref/s/strupr.html on line 135

Warning: main() [function.include]: Failed opening '/www/www/htdocs/style/footer.php' for inclusion (include_path='.:/www/www/common:/www/www/php/lib/php') in /www/www/docs/6.4.1/neutrino/lib_ref/s/strupr.html on line 135