1/* public domain rewrite of strerror(3) */ 2 3#include "ruby/missing.h" 4 5extern int sys_nerr; 6extern char *sys_errlist[]; 7 8static char msg[50]; 9 10char * 11strerror(int error) 12{ 13 if (error <= sys_nerr && error > 0) { 14 return sys_errlist[error]; 15 } 16 sprintf(msg, "Unknown error (%d)", error); 17 return msg; 18} 19