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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | CONFORMING TO | SEE ALSO | COLOPHON |
STRSPN(3) Linux Programmer's Manual STRSPN(3)
strspn, strcspn - get length of a prefix substring
#include <string.h>
size_t strspn(const char *s, const char *accept);
size_t strcspn(const char *s, const char *reject);
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.
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.
For an explanation of the terms used in this section, see
attributes(7).
┌────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├────────────────────┼───────────────┼─────────┤
│strspn(), strcspn() │ Thread safety │ MT-Safe │
└────────────────────┴───────────────┴─────────┘
POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.
index(3), memchr(3), rindex(3), strchr(3), string(3), strpbrk(3),
strsep(3), strstr(3), strtok(3), wcscspn(3), wcsspn(3)
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latest version of this page, can be found at
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2015-08-08 STRSPN(3)
Pages that refer to this page: index(3) , memchr(3) , memrchr(3) , rawmemchr(3) , rindex(3) , strcasestr(3) , strchr(3) , strchrnul(3) , string(3) , strpbrk(3) , strrchr(3) , strsep(3) , strstr(3) , strtok(3) , strtok_r(3) , wcsspn(3) , signal-safety(7)
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