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STRSPN(3)                   BSD Programmer's Manual                  STRSPN(3)

NAME
     strspn - span a string

SYNOPSIS
     #include <&lt;string.h>&gt;

     size_t
     strspn(const char *s, const char *charset);

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

RETURN VALUES
     The strspn() function returns the number of characters spanned.

SEE ALSO
     index(3),  memchr(3),  rindex(3),  strchr(3),  strcspn(3),  strpbrk(3),
     strrchr(3),  strsep(3),  strstr(3),  strtok(3)

STANDARDS
     The strspn() function conforms to ANSI C X3.159-1989 (``ANSI C '').

4.4BSD                           June 4, 1993                                1