MirOS Manual: strcspn(3)

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

NAME

     strcspn - span the complement of a string

SYNOPSIS

     #include <string.h>

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

DESCRIPTION

     The strcspn() function spans the initial part of the NUL-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.

EXAMPLES

     The following call to strcspn() will return 3, since the first three
     characters of string s do not occur in string charset:

           char *s = "foobar";
           char *charset = "bar";
           size_t span;

           span = strcspn(s, charset);

SEE ALSO

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

STANDARDS

     The strcspn() function conforms to ANSI X3.159-1989 ("ANSI C").

MirOS BSD #10-current           June 29, 1991                                1

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