1STRSPN(3)                  Linux Programmer's Manual                 STRSPN(3)
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NAME

6       strspn, strcspn - search a string for a set of characters
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SYNOPSIS

9       #include <string.h>
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11       size_t strspn(const char *s, const char *accept);
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13       size_t strcspn(const char *s, const char *reject);
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DESCRIPTION

16       The strspn() function calculates the length of the initial segment of s
17       which consists entirely of characters in accept.
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19       The strcspn() function calculates the length of the initial segment  of
20       s which consists entirely of characters not in reject.
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RETURN VALUE

23       The  strspn()  function returns the number of characters in the initial
24       segment of s which consist only of characters from accept.
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26       The strcspn() function returns the number of characters in the  initial
27       segment of s which are not in the string reject.
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CONFORMING TO

30       SVr4, 4.3BSD, C89, C99.
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SEE ALSO

33       index(3),   memchr(3),  rindex(3),  strchr(3),  strpbrk(3),  strsep(3),
34       strstr(3), strtok(3), wcsspn(3), wcscspn(3)
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38                                  1993-04-12                         STRSPN(3)
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