release/src/router/ipupdate/error.h


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#ifndef _ERROR_H
#define _ERROR_H

#if HAVE_STRERROR
extern int errno;
#  define error_string strerror(errno)
#elif HAVE_SYS_ERRLIST
extern const char *const sys_errlist[];
extern int errno;
#  define error_string (sys_errlist[errno])
#else
#  define error_string "error message not found"
#endif

#endif