1STRSPN(3)                  Library Functions Manual                  STRSPN(3)
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NAME

6       strspn - span a string
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SYNOPSIS

9       #include <string.h>
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11       size_t
12       strspn(s, charset)
13       char *s;
14       char *charset;
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DESCRIPTION

17       The  strcspn()  function  spans the initial part of the null-terminated
18       string s as long as the characters from s occur in string charset .
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RETURN VALUES

21       The strspn() function returns the number of characters spanned.
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SEE ALSO

24       index(3), memchr(3), rindex(3), strchr(3), strcspn(3), strpbrk(3), str‐
25       rchr(3), strsep(3), strstr(3), strtok(3)
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STANDARDS

28       The strspn() function conforms to ANSI C X3.159-9189 (``ANSI C'').
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324.4 Berkeley Distribution      January 12, 1996                      STRSPN(3)