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 STRLEN
Section: Linux Programmer's Manual (3) Updated: 2016-03-15 Index
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NAME
strlen - calculate the length of a string
  
SYNOPSIS
#include <string.h>
size_t strlen(const char *s);
 
 
DESCRIPTION
The
 strlen()
function calculates the length of the string pointed to by
 s,
excluding the terminating null byte (aq\0aq).
  
RETURN VALUE
The
 strlen()
function returns the number of characters in the string pointed to by
 s.
  
ATTRIBUTES
For an explanation of the terms used in this section, see
 attributes(7).
 
| Interface | Attribute | Value
  |  
| 
strlen()
 | Thread safety | MT-Safe
  |  
 
 
CONFORMING TO
POSIX.1-2001, POSIX.1-2008, C89, C99, C11, SVr4, 4.3BSD.
  
SEE ALSO
string(3),
 strnlen(3),
 wcslen(3),
 wcsnlen(3)
  
COLOPHON
This page is part of release 4.13 of the Linux
 man-pages
project.
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
 https://www.kernel.org/doc/man-pages/.
  
 Index
- NAME
 - 
 - SYNOPSIS
 - 
 - DESCRIPTION
 - 
 - RETURN VALUE
 - 
 - ATTRIBUTES
 - 
 - CONFORMING TO
 - 
 - SEE ALSO
 - 
 - COLOPHON
 - 
  
 
 
 
 
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