projects / thirdparty / man-pages.git / blame
| Commit | Line | Data |
|---|---|---|
| fea681da MK |
1 | .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) |
| 2 | .\" | |
| 93015253 | 3 | .\" %%%LICENSE_START(VERBATIM) |
| fea681da MK |
4 | .\" Permission is granted to make and distribute verbatim copies of this |
| 5 | .\" manual provided the copyright notice and this permission notice are | |
| 6 | .\" preserved on all copies. | |
| 7 | .\" | |
| 8 | .\" Permission is granted to copy and distribute modified versions of this | |
| 9 | .\" manual under the conditions for verbatim copying, provided that the | |
| 10 | .\" entire resulting derived work is distributed under the terms of a | |
| 11 | .\" permission notice identical to this one. | |
| c13182ef | 12 | .\" |
| fea681da MK |
13 | .\" Since the Linux kernel and libraries are constantly changing, this |
| 14 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
| 15 | .\" responsibility for errors or omissions, or for damages resulting from | |
| 16 | .\" the use of the information contained herein. The author(s) may not | |
| 17 | .\" have taken the same level of care in the production of this manual, | |
| 18 | .\" which is licensed free of charge, as they might when working | |
| 19 | .\" professionally. | |
| c13182ef | 20 | .\" |
| fea681da MK |
21 | .\" Formatted or processed versions of this manual, if unaccompanied by |
| 22 | .\" the source, must acknowledge the copyright and authors of this work. | |
| 4b72fb64 | 23 | .\" %%%LICENSE_END |
| fea681da MK |
24 | .\" |
| 25 | .\" References consulted: | |
| 26 | .\" Linux libc source code | |
| 27 | .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) | |
| 28 | .\" 386BSD man pages | |
| 29 | .\" Modified Sat Jul 24 18:02:26 1993 by Rik Faith (faith@cs.unc.edu) | |
| 9ba01802 | 30 | .TH STRLEN 3 2019-03-06 "GNU" "Linux Programmer's Manual" |
| fea681da MK |
31 | .SH NAME |
| 32 | strlen \- calculate the length of a string | |
| 33 | .SH SYNOPSIS | |
| 34 | .nf | |
| 35 | .B #include <string.h> | |
| 68e4db0a | 36 | .PP |
| fea681da MK |
37 | .BI "size_t strlen(const char *" s ); |
| 38 | .fi | |
| 39 | .SH DESCRIPTION | |
| 60a90ecd MK |
40 | The |
| 41 | .BR strlen () | |
| 2ddb74c0 | 42 | function calculates the length of the string pointed to by |
| 46d8df8e | 43 | .IR s , |
| d1a71985 | 44 | excluding the terminating null byte (\(aq\e0\(aq). |
| 47297adb | 45 | .SH RETURN VALUE |
| 60a90ecd MK |
46 | The |
| 47 | .BR strlen () | |
| 51d8bd57 | 48 | function returns the number of bytes in the string pointed to by |
| 46d8df8e | 49 | .IR s . |
| be5d0c87 | 50 | .SH ATTRIBUTES |
| 03e4f2b2 PH |
51 | For an explanation of the terms used in this section, see |
| 52 | .BR attributes (7). | |
| 53 | .TS | |
| 54 | allbox; | |
| 55 | lb lb lb | |
| 56 | l l l. | |
| 57 | Interface Attribute Value | |
| 58 | T{ | |
| be5d0c87 | 59 | .BR strlen () |
| 03e4f2b2 PH |
60 | T} Thread safety MT-Safe |
| 61 | .TE | |
| 47297adb | 62 | .SH CONFORMING TO |
| 5af40309 | 63 | POSIX.1-2001, POSIX.1-2008, C89, C99, C11, SVr4, 4.3BSD. |
| 47297adb | 64 | .SH SEE ALSO |
| 1709027c | 65 | .BR string (3), |
| e2b28c50 | 66 | .BR strnlen (3), |
| 1709027c MK |
67 | .BR wcslen (3), |
| 68 | .BR wcsnlen (3) |