errnum             44 include/portability.h char *strerror(int errnum);
errnum             25 replace/strerror.c strerror(int errnum)
errnum             29 replace/strerror.c     if (errnum < 0) {
errnum             32 replace/strerror.c     if (errnum >= sys_nerr) {
errnum             33 replace/strerror.c         snprintf(whaterr, sizeof(whaterr), "error %d", errnum);