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strcspn(3)               BSD Library Functions Manual               strcspn(3)


NAME

     strcspn -- span the complement of a string


LIBRARY

     Standard C Library (libc, -lc)


SYNOPSIS

     #include <string.h>

     size_t
     strcspn(const char *s1, const char *s2);


DESCRIPTION

     The strcspn() function spans the initial part of the null-terminated
     string s1, as long as the characters from s1 do not occur in string s2
     (it spans the complement of s2).  In other words, it computes the string
     array index in s1 of the first character of s1 which is also in s2, else
     the index of the first null character.


RETURN VALUES

     The strcspn() function returns the number of characters spanned.


SEE ALSO

     memchr(3), strchr(3), strpbrk(3), strrchr(3), strsep(3), strspn(3),
     strstr(3), strtok(3)


STANDARDS

     The strcspn() function conforms to ISO/IEC 9899:1990 (``ISO C90'').

BSD                              June 4, 1993                              BSD

Mac OS X 10.8 - Generated Fri Aug 31 05:43:40 CDT 2012
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