ref: e7d670f1558576f5cfdb9f4b3f74bc4cda91e62c
dir: /sys/src/ape/lib/ap/gen/strxfrm.c/
#include <string.h> size_t strxfrm(char *s1, const char *s2, size_t n) { /* * BUG: supposed to transform s2 to a canonical form * so that strcmp can be used instead of strcoll, but * our strcoll just uses strcmp. */ size_t xn = strlen(s2); if(n > xn) n = xn; memcpy(s1, s2, n); return xn; }