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Command: strcspn | Section: 3 | Source: NetBSD | File: strcspn.3
STRCSPN(3) FreeBSD 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 *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
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 X3.159-1989 ("ANSI C89").
FreeBSD 14.1-RELEASE-p8 August 11, 2002 FreeBSD 14.1-RELEASE-p8