NAME
strpbrk — scan a
string for a byte
SYNOPSIS
#include
<string.h>
char *strpbrk(const char *s1, const char *s2);
DESCRIPTION
[CX] The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.1-2024 defers to the ISO C standard.
The strpbrk () function shall locate the
first occurrence in the string pointed to by s1 of any
byte from the string pointed to by s2.
[CX] The strpbrk ()
function shall not change the setting of errno on valid
input.
RETURN VALUE
Upon successful completion, strpbrk ()
shall return a pointer to the byte or a null pointer if no byte from
s2 occurs in s1.
ERRORS
No errors are defined.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
XBD <string.h>
CHANGE HISTORY
First released in Issue 1. Derived from Issue 1 of the SVID.
Issue 8
Austin Group Defect 448 is applied, adding a requirement that
strpbrk () does not change the setting of
errno on valid input.