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

NAME
     strcspn - span the complement of a string

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

     size_t
     strcspn(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 do not occur in string charset
     (it spans the complement of charset).

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

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

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

4.4BSD                           June 4, 1993                                1