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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [string/] [strpbrk.c] - Blame information for rev 207

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Line No. Rev Author Line
1 207 jeremybenn
/*
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FUNCTION
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        <<strpbrk>>---find characters in string
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INDEX
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        strpbrk
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ANSI_SYNOPSIS
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        #include <string.h>
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        char *strpbrk(const char *<[s1]>, const char *<[s2]>);
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TRAD_SYNOPSIS
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        #include <string.h>
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        char *strpbrk(<[s1]>, <[s2]>)
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        char *<[s1]>;
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        char *<[s2]>;
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DESCRIPTION
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        This function locates the first occurence in the string
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        pointed to by <[s1]> of any character in string pointed to by
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        <[s2]> (excluding the terminating null character).
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RETURNS
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        <<strpbrk>> returns a pointer to the character found in <[s1]>, or a
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        null pointer if no character from <[s2]> occurs in <[s1]>.
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PORTABILITY
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<<strpbrk>> requires no supporting OS subroutines.
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*/
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#include <string.h>
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char *
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_DEFUN (strpbrk, (s1, s2),
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        _CONST char *s1 _AND
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        _CONST char *s2)
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{
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  _CONST char *c = s2;
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  if (!*s1)
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    return (char *) NULL;
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  while (*s1)
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    {
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      for (c = s2; *c; c++)
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        {
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          if (*s1 == *c)
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            break;
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        }
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      if (*c)
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        break;
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      s1++;
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    }
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  if (*c == '\0')
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    s1 = NULL;
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  return (char *) s1;
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}

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