suse man page for tolower

Query: tolower

OS: suse

Section: 3p

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

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() function has as a domain a type int, the value of which is representable as an unsigned char or the value of EOF. If the argument has any other value, the behavior is undefined. If the argument of tolower() represents an uppercase letter, and there exists a corresponding lowercase letter (as defined by character type information in the program locale category LC_CTYPE ), the result shall be the corresponding lowercase letter. All other arguments in the domain are returned unchanged.
RETURN VALUE
Upon successful completion, tolower() shall return the lowercase letter corresponding to the argument passed; otherwise, it shall return the argument unchanged.
ERRORS
No errors are defined. The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
setlocale(), the Base Definitions volume of IEEE Std 1003.1-2001, Chapter 7, Locale, <ctype.h>
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technol- ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. 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 Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .
IEEE
/The Open Group 2003 TOLOWER(3P)
Related Man Pages
toupper(3p) - centos
toupper(3p) - suse
towupper(3p) - suse
_tolower(3p) - posix
tolower(3p) - posix
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