ref: f4e7db8080c78e41d659538a86a43d59fc9eaddd 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; }