ref: 495f9ed1829ea0843bf1cc5395d1f7fd9a8a6c9b dir: /src/libc/string/strerror.c/
#include <errno.h> #include <string.h> #undef strerror char * strerror(int errnum) { if (errnum > _sys_nerr) errnum = EUNKNOWN; return _sys_errlist[errnum]; }