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

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

/*
NAME
	strrchr -- return pointer to last occurance of a character

SYNOPSIS
	char *strrchr (const char *s, int c)

DESCRIPTION
	Returns a pointer to the last occurance of character C in
	string S, or a NULL pointer if no occurance is found.
	
BUGS
	Behavior when character is the null character is implementation
	dependent.
*/

#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
28e9041c	1	/* Portable version of strrchr().
	2	This function is in the public domain. */
	3
	4	/*
	5	NAME
	6	strrchr -- return pointer to last occurance of a character
	7
	8	SYNOPSIS
	9	char strrchr (const char s, int c)
	10
	11	DESCRIPTION
	12	Returns a pointer to the last occurance of character C in
	13	string S, or a NULL pointer if no occurance is found.
	14
	15	BUGS
	16	Behavior when character is the null character is implementation
	17	dependent.
	18	*/
	19
	20	#include <ansidecl.h>
	21
	22	char *
	23	strrchr (s, c)
	24	register CONST char *s;
	25	int c;
	26	{
	27	char *rtnval = 0;
	28
	29	do {
	30	if (*s == c)
	31	rtnval = (char*) s;
	32	} while (*s++);
	33	return (rtnval);
	34	}