_tolower(3C) Standard C Library Functions _tolower(3C)NAME
_tolower - transliterate upper-case characters to lower-case
SYNOPSIS
#include <ctype.h>
int _tolower(int c);
DESCRIPTION
The _tolower() macro is equivalent to tolower(3C) except that the argument c must be an upper-case letter.
RETURN VALUES
On successful completion, _tolower() returns the lower-case letter corresponding to the argument passed.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|CSI |Enabled |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
SEE ALSO isupper(3C), tolower(3C), attributes(5), standards(5)SunOS 5.10 24 Jul 2002 _tolower(3C)
Check Out this Related Man Page
_TOLOWER(3P) POSIX Programmer's Manual _TOLOWER(3P)PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond-
ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME
_tolower -- transliterate uppercase characters to lowercase
SYNOPSIS
#include <ctype.h>
int _tolower(int c);
DESCRIPTION
The _tolower() macro shall be equivalent to tolower(c) except that the application shall ensure that the argument c is an uppercase letter.
RETURN VALUE
Upon successful completion, _tolower() shall return the lowercase letter corresponding to the argument passed.
ERRORS
No errors are defined.
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
Applications should use the tolower() function instead of the obsolescent _tolower() function.
RATIONALE
None.
FUTURE DIRECTIONS
The _tolower() function may be removed in a future version.
SEE ALSO
tolower(), isupper()
The Base Definitions volume of POSIX.1-2008, Chapter 7, Locale, <ctype.h>
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technol-
ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the
event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Stan-
dard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html .
Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source
files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE /The Open Group 2013 _TOLOWER(3P)
Hi people,
i have a nice problem to solve..
in an text page i must change all the "*.php" occourences to the respective lowercase..
Example:
...
<tr><td>
<form action="outputEstrazione.php" method="get">
<table cellspacing='0,5' bgcolor='#000000'><tr><td>
<font size='2'... (5 Replies)
Hi
I would like to read if the first letter of a line in a first file (gauche.txt) is uppercase or lowercase, and change consequently the first letter of the corresponding line in the second file (droiteInit.txt).
I have done this but it won't work (I launch this using gawk -f... (16 Replies)
Hi,
I am learning awk and faced few queries. Kindly suggest on the same. Where it is wrong.
$ awk '{if (toupper($1) ~ /a/) print $0}' inv
$ awk '{if (toupper($1) ~ /A/) print $0}' inv -- Why this output
Jan 13 25 15 115
Mar 15 24 34 228
Apr 31 52 63 420
May 16 34 29 208... (6 Replies)
i am on red hat Linux .
package hiveudf;
import org.apache.hadoop.hive.ql.exec.UDF;
import org.apache.hadoop.io.Text;
public class lowercaseudf extends UDF {
public Text evaluate(final Text s) {
if (s == null) { return null;}
return new... (4 Replies)