Name
strspn, strcspn — search a string for a set of
characters
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 of the initial segment of s
which consists entirely of
characters in accept
.
The strcspn
() function
calculates the length of the initial segment of s
which consists entirely of
characters not in reject
.
RETURN VALUE
The strspn
() function
returns the number of characters in the initial segment of
s
which consist only
of characters from accept
.
The strcspn
() function
returns the number of characters in the initial segment of
s
which are not in
the string reject
.
CONFORMING TO
SVr4, 4.3BSD, C89, C99.
SEE ALSO
index(3), memchr(3), rindex(3), strchr(3), strpbrk(3), strsep(3), strstr(3), strtok(3), wcsspn(3), wcscspn(3)
Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
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Since the Linux kernel and libraries are constantly changing, this
manual page may be incorrect or out-of-date. The author(s) assume no
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Formatted or processed versions of this manual, if unaccompanied by
the source, must acknowledge the copyright and authors of this work.
References consulted:
Linux libc source code
Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
386BSD man pages
Modified Sat Jul 24 17:57:50 1993 by Rik Faith (faith@cs.unc.edu)
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