[thirdparty/gcc.git] / libiberty / strchr.c

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

/*

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

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

@end deftypefn

*/

#include <ansidecl.h>

char *
strchr (s, c)
  register const char *s;
  int c;
{
  do {
    if (*s == c)
      {
	return (char*)s;
      }
  } while (*s++);
  return (0);
}
Commit	Line	Data
6599da04 JM	1	/* Portable version of strchr()
	2	This function is in the public domain. */
	3
	4	/*
6599da04	5
aaa5f039 DD	6	@deftypefn Supplemental char* strchr (const char *@var{s}, int @var{c})
	7
	8	Returns a pointer to the first occurance of the character @var{c} in
	9	the string @var{s}, or NULL if not found. If @var{c} is itself the
	10	null character, the results are undefined.
	11
	12	@end deftypefn
6599da04	13
6599da04 JM	14	*/
	15
	16	#include <ansidecl.h>
	17
	18	char *
	19	strchr (s, c)
11a0bb74	20	register const char *s;
6599da04 JM	21	int c;
	22	{
	23	do {
	24	if (*s == c)
	25	{
	26	return (char*)s;
	27	}
	28	} while (*s++);
	29	return (0);
	30	}