The Open Group Base Specifications Issue 8
IEEE Std 1003.1-2024
Copyright © 2001-2024 The IEEE and The Open Group

NAME

strpbrk — scan a string for a byte

SYNOPSIS

#include <string.h>

char *strpbrk(const char *
s1, const char *s2);

DESCRIPTION

[CX] [Option Start] 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. [Option End]

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] [Option Start] The strpbrk() function shall not change the setting of errno on valid input. [Option End]

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.


The following sections are informative.

EXAMPLES

None.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

strchr, strrchr

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.

End of informative text.

 

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