/*
 * strsep() - Split a string on one of the seperators
 * given in the string 'sep'.
 *
 * Dan Cross <net!gajendra!cross>
 */

#include <stddef.h>
#include <stdlib.h>
#include <string.h>

char *
strsep(char **sp, char *sep)
{
	char *p, *s;

	if (sp == NULL || *sp == NULL || **sp == '\0')
		return(NULL);
	s = *sp;
	p = s + strcspn(s, sep);
	if (*p != '\0')
		*p++ = '\0';
	*sp = p;

	return(s);
}