Unix and Linux Discussions Tagged with letter |
|
Thread / Thread Starter |
Last Post |
Replies |
Views |
Forum |
|
|
|
11 |
5,809 |
Shell Programming and Scripting |
|
|
|
3 |
11,500 |
Shell Programming and Scripting |
|
|
|
8 |
12,245 |
Shell Programming and Scripting |
|
|
|
22 |
12,911 |
Shell Programming and Scripting |
|
|
|
5 |
21,832 |
Shell Programming and Scripting |
|
|
|
1 |
7,067 |
UNIX for Dummies Questions & Answers |
|
|
|
1 |
3,026 |
UNIX for Dummies Questions & Answers |
|
|
|
0 |
843 |
Software Releases - RSS News |
|
|
|
0 |
874 |
Software Releases - RSS News |
|
|
|
0 |
874 |
Software Releases - RSS News |
|
|
|
2 |
3,279 |
Shell Programming and Scripting |
|
|
|
3 |
4,269 |
UNIX for Dummies Questions & Answers |
|
|
|
2 |
4,408 |
UNIX for Advanced & Expert Users |
|
|
|
2 |
1,920 |
UNIX for Dummies Questions & Answers |
|
|
|
1 |
2,664 |
UNIX for Dummies Questions & Answers |
|
|
|
2 |
10,826 |
UNIX for Dummies Questions & Answers |
|
|
|
1 |
4,165 |
UNIX for Dummies Questions & Answers |
|
|
|
1 |
2,226 |
UNIX for Dummies Questions & Answers |
|
|
|
1 |
4,990 |
UNIX for Dummies Questions & Answers |
|
|
|
5 |
4,561 |
UNIX for Dummies Questions & Answers |
|
|
|
1 |
41,411 |
UNIX for Dummies Questions & Answers |
TOUPPER(3) BSD Library Functions Manual TOUPPER(3)
NAME
toupper -- lower case to upper case letter conversion
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <ctype.h>
int
toupper(int c);
DESCRIPTION
The toupper() function converts a lower-case letter to the corresponding upper-case letter.
RETURN VALUES
If the argument is a lower-case letter, the toupper() function returns the corresponding upper-case letter if there is one; otherwise the
argument is returned unchanged.
SEE ALSO
ctype(3), isalnum(3), isalpha(3), isascii(3), iscntrl(3), isdigit(3), isgraph(3), islower(3), isprint(3), ispunct(3), isspace(3), isupper(3),
isxdigit(3), stdio(3), toascii(3), ascii(7)
STANDARDS
The toupper() function conforms to ANSI X3.159-1989 (``ANSI C89'').
CAVEATS
The argument to toupper() must be EOF or representable as an unsigned char; otherwise, the behavior is undefined. See the CAVEATS section of
ctype(3) for more details.
BSD
April 17, 2008 BSD