strspn(3p)
NAME
strspn - get length of a substring
SYNOPSIS
#include <string.h> size_t strspn(const char *s1, const char *s2);
DESCRIPTION
The strspn() function shall compute the length (in bytes) of the maximum initial segment of the string pointed to by s1 which consists
entirely of bytes from the string pointed to by s2.
RETURN VALUE
The strspn() function shall return the length of s1; no return value is
reserved to indicate an error.
ERRORS
No errors are defined.
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
strcspn() , the Base Definitions volume of IEEE Std 1003.1-2001,
<string.h>
COPYRIGHT
- Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online
at http://www.opengroup.org/unix/online.html .