Subversion Repositories openrisc_2011-10-31

/*
FUNCTION
	<<strrchr>>---reverse search for character in string
 
INDEX
	strrchr
 
ANSI_SYNOPSIS
	#include <string.h>
	char * strrchr(const char *<[string]>, int <[c]>);
 
TRAD_SYNOPSIS
	#include <string.h>
	char * strrchr(<[string]>, <[c]>);
	char *<[string]>;
	int *<[c]>;
 
DESCRIPTION
	This function finds the last occurence of <[c]> (converted to
	a char) in the string pointed to by <[string]> (including the
	terminating null character).
 
RETURNS
	Returns a pointer to the located character, or a null pointer
	if <[c]> does not occur in <[string]>.
 
PORTABILITY
<<strrchr>> is ANSI C.
 
<<strrchr>> requires no supporting OS subroutines.
 
QUICKREF
	strrchr ansi pure
*/
 
#include <string.h>
 
char *
_DEFUN (strrchr, (s, i),
	_CONST char *s _AND
	int i)
{
  _CONST char *last = NULL;
 
  if (i)
    {
      while ((s=strchr(s, i)))
	{
	  last = s;
	  s++;
	}
    }
  else
    {
      last = strchr(s, i);
    }
 
  return (char *) last;
}