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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | CONFORMING TO | SEE ALSO | COLOPHON |
STRLEN(3) Linux Programmer's Manual STRLEN(3)
strlen - calculate the length of a string
#include <string.h>
size_t strlen(const char *s);
The strlen() function calculates the length of the string pointed to
by s, excluding the terminating null byte ('\0').
The strlen() function returns the number of bytes in the string
pointed to by s.
For an explanation of the terms used in this section, see
attributes(7).
┌──────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├──────────┼───────────────┼─────────┤
│strlen() │ Thread safety │ MT-Safe │
└──────────┴───────────────┴─────────┘
POSIX.1-2001, POSIX.1-2008, C89, C99, C11, SVr4, 4.3BSD.
string(3), strnlen(3), wcslen(3), wcsnlen(3)
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GNU 2019-03-06 STRLEN(3)
Pages that refer to this page: 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) , BerElement(3) , ber_free(3) , ber_init2(3) , ber_init(3) , ber_int_t(3) , ber_len_t(3) , ber_slen_t(3) , ber_str2bv(3) , ber_tag_t(3) , ber_uint_t(3) , berval(3) , BerValue(3) , BerVarray(3) , lber-types(3) , regcomp(3) , regerror(3) , regex(3) , regexec(3) , regfree(3) , strchr(3) , strchrnul(3) , string(3) , strnlen(3) , strrchr(3) , struct(3) , wcslen(3) , signal-safety(7)
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