SIMPLE SOLUTIONS

STRLEN(3) - Linux man page online | Library functions

Calculate the length of a string.

Chapter
2016-03-15
STRLEN(3) Linux Programmer's Manual STRLEN(3)

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 ('\0').

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 4.15 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/.
GNU 2016-03-15 STRLEN(3)
This manual Reference Other manuals
strlen(3) referred by ber_bvarray_add(3) | ber_bvarray_free(3) | ber_bvdup(3) | ber_bvecadd(3) | ber_bvecfree(3) | ber_bvfree(3) | ber_bvstr(3) | ber_bvstrdup(3) | ber_dupbv(3) | ber_free(3) | ber_str2bv(3) | free_mntarg(9freebsd) | kernel_mount(9freebsd) | kernel_vmount(9freebsd) | lber-types(3) | mount_arg(9freebsd) | mount_argb(9freebsd) | mount_argf(9freebsd) | mount_argsu(9freebsd) | platform(3)
refer to attributes(7) | string(3) | strnlen(3) | wcslen(3) | wcsnlen(3)
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