errcode 152 kern/include/lib.h const char *strerror(int errcode);
errcode 55 kern/lib/misc.c strerror(int errcode)
errcode 57 kern/lib/misc.c if (errcode>=0 && errcode < sys_nerr) {
errcode 58 kern/lib/misc.c return sys_errlist[errcode];
errcode 60 kern/lib/misc.c panic("Invalid error code %d\n", errcode);
errcode 57 user/include/string.h const char *strerror(int errcode);
errcode 37 user/lib/libc/string/strerror.c strerror(int errcode)
errcode 39 user/lib/libc/string/strerror.c if (errcode>=0 && errcode < sys_nerr) {
errcode 40 user/lib/libc/string/strerror.c return sys_errlist[errcode];