File: strerror.c

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nmh 1.3-1
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/*
 * strerror.c -- get error message string
 *
 * $Id: strerror.c,v 1.4.2.2 2008/05/04 16:22:56 pm215 Exp $
 */

#include <h/mh.h>

extern int sys_nerr;
extern char *sys_errlist[];


char *
strerror (int errnum)
{
   if (errnum > 0 && errnum < sys_nerr)
	return sys_errlist[errnum];
   else
	return NULL;
}