[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 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 *
strchr (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})
aaa5f039 DD	7
e922f978	8	Returns a pointer to the first occurrence of the character @var{c} in
7f8fa05d	9	the string @var{s}, or @code{NULL} if not found. If @var{c} is itself the
aaa5f039 DD	10	null character, the results are undefined.
	11
	12	@end deftypefn
6599da04	13
6599da04 JM	14	*/
	15
	16	#include <ansidecl.h>
	17
	18	char *
885f2199	19	strchr (register const char *s, int c)
6599da04 JM	20	{
	21	do {
	22	if (*s == c)
	23	{
	24	return (char*)s;
	25	}
	26	} while (*s++);
	27	return (0);
	28	}