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Command: strspn | Section: 3 | Source: MINIX | File: strspn.3
STRSPN(3) FreeBSD Library Functions Manual STRSPN(3)
NAME
strspn - span a string
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <string.h>
size_t
strspn(const char *s, const char *charset);
DESCRIPTION
The strspn() function spans the initial part of the nul-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.
EXAMPLES
The following call to strspn() will return 3, since the first three
characters of string s are part of string charset:
char *s = "foobar";
char *charset = "of";
size_t span;
span = strspn(s, charset);
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 X3.159-1989 ("ANSI C89").
FreeBSD 14.1-RELEASE-p8 August 11, 2002 FreeBSD 14.1-RELEASE-p8