@node strpbrk, string
@subheading Syntax

@example
#include <string.h>

char *strpbrk(const char *s1, const char *set);
@end example

@subheading Description

This function finds the first character in @var{s1} that matches any
character in @var{set}.

@subheading Return Value

A pointer to the first match, or @code{NULL} if none are found.

@subheading Portability

@portability ansi, posix

@subheading Example

@example
if (strpbrk(command, "<>|"))
  do_redirection();
@end example