[bison.git] / lib / strrchr.c

/* Portable version of strrchr().
   This function is in the public domain. */

/*

@deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})

Returns a pointer to the last occurrence of the character @var{c} in
the string @var{s}, or @code{NULL} if not found.  If @var{c} is itself the
null character, the results are undefined.

@end deftypefn

*/

#include <ansidecl.h>

char *
strrchr (s, c)
  register const char *s;
  int c;
{
  char *rtnval = 0;

  do {
    if (*s == c)
      rtnval = (char*) s;
  } while (*s++);
  return (rtnval);
}
Commit	Line	Data
8280e179 AD	1	/* Portable version of strrchr().
	2	This function is in the public domain. */
	3
	4	/*
	5
	6	@deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})
	7
	8	Returns a pointer to the last occurrence of the character @var{c} in
	9	the string @var{s}, or @code{NULL} if not found. If @var{c} is itself the
	10	null character, the results are undefined.
	11
	12	@end deftypefn
	13
	14	*/
	15
	16	#include <ansidecl.h>
	17
	18	char *
	19	strrchr (s, c)
	20	register const char *s;
	21	int c;
	22	{
	23	char *rtnval = 0;
	24
	25	do {
	26	if (*s == c)
	27	rtnval = (char*) s;
	28	} while (*s++);
	29	return (rtnval);
	30	}