STRSPN(3)               NetBSD 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 char- acters 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''). NetBSD 5.0_RC4 August 11, 2002 NetBSD 5.0_RC4

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