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STRSPN

Linux Programmer's Manual (3)
2014-02-28
 

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

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Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ATTRIBUTES
Multithreading (see pthreads(7))
CONFORMING TO
SEE ALSO
COLOPHON

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Time: 21:43:03 GMT, July 12, 2014