STRSPN
Section: Linux Programmer's Manual (3)
Updated: 2014-02-28
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NAME
strspn, strcspn - get length of a prefix substring
SYNOPSIS
#include <string.h>
size_t strspn(const char *s, const char *accept);
size_t strcspn(const char *s, const char *reject);
DESCRIPTION
The
strspn()
function calculates the length (in bytes) of the initial
segment of
s
which consists entirely of bytes in
accept.
The
strcspn()
function calculates the length of the initial
segment of
s
which consists entirely of bytes not in
reject.
RETURN VALUE
The
strspn()
function returns the number of bytes in
the initial segment of
s
which consist only of bytes
from
accept.
The
strcspn()
function returns the number of bytes in
the initial segment of
s
which are not in the string
reject.
ATTRIBUTES
Multithreading (see pthreads(7))
The
strspn()
and
strcspn()
functions are thread-safe.
CONFORMING TO
SVr4, 4.3BSD, C89, C99.
SEE ALSO
index(3),
memchr(3),
rindex(3),
strchr(3),
string(3),
strpbrk(3),
strsep(3),
strstr(3),
strtok(3),
wcscspn(3),
wcsspn(3)
COLOPHON
This page is part of release 3.74 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
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ATTRIBUTES
-
- Multithreading (see pthreads(7))
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-