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#include  
#include  
 
void 
regerror(s) 
const char *s; 
{ 
#ifdef ERRAVAIL 
	error("regexp: %s", s); 
#else 
/* 
	fprintf(stderr, "regexp(3): %s\n", s); 
	exit(1); 
*/ 
	return;	  /* let std. egrep handle errors */ 
#endif 
	/* NOTREACHED */ 
}