ref: 3e94fbcf9c6caa7cde6051bec82cae3b1c8d3e11 dir: /sys/src/ape/lib/ap/gen/memset.c/
#include <string.h> void* memset(void *ap, int c, size_t n) { char *p; p = ap; while(n > 0) { *p++ = c; n--; } return ap; }