strpbrk()

Find the first character in a string that's in a given character set

Synopsis:

#include <string.h>

char* strpbrk(char* str,
              char* charset );

Arguments:

str
The string that you want to search.
charset
The set of characters you want to look for.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The strpbrk() function locates the first occurrence in the string pointed to by str of any character from the string pointed to by charset.

Returns:

A pointer to the located character, or NULL if no character from charset occurs in str.

Examples:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main( void )
  {
    char* p = "Find all vowels";

    while( p != NULL ) {
      printf( "%s\n", p );
      p = strpbrk( p+1, "aeiouAEIOU" );
    }
    return EXIT_SUCCESS;
  }

produces the output:

Find all vowels
ind all vowels
all vowels
owels
els

Classification:

ANSI, POSIX 1003.1

Safety:  
Cancellation point No
Interrupt handler Yes
Signal handler Yes
Thread Yes

Last modified: 2013-12-23

comments powered by Disqus