/*

 * strchr --- search a string for a character

 *

 * We supply this routine for those systems that aren't standard yet.

 */

#if 0

#include <stdio.h>

#endif

char *

strchr(str, c)

const char *str, c;

{

	if (c == '\0') {

		/* thanks to Mike Brennan ... */

		do {

			if (*str == c)

				return (char *) str;

		} while (*str++);

	} else {

		for (; *str; str++)

			if (*str == c)

				return (char *) str;

	}

	return NULL;

}

/*

 * strrchr --- find the last occurrence of a character in a string

 *

 * We supply this routine for those systems that aren't standard yet.

 */

char *

strrchr(str, c)

const char *str, c;

{

	const char *save = NULL;

	for (; *str; str++)

		if (*str == c)

			save = str;

	return (char *) save;

}